RXSPEC | Back to Index page

| Prolog Control Block Contents RXSPEC DSECT Storage Layout Cross Reference (Contains links to field and bit definitions) |
Programming Interface Information: This information is NOT intended to be used as Programming Interfaces of z/VM.

RXSPEC Control Block Content | Top of page

     RXSPEC DSECT
    Top of page

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      RXSPEC         Virtual Network Interface Card block
    0000    0 Dbl-Word     8 RXPKTTOT (0)   RXPKT queue total
    0000    0 Signed       4 RXPKTTOTHI     - High half
    0004    4 Signed       4 RXPKTTOTLO     - Low half
    0008    8 Dbl-Word     8 RXDSCTOT (0)   RXDSC queue total
    0008    8 Signed       4 RXDSCTOTHI     - High half
    000C   12 Signed       4 RXDSCTOTLO     - Low half
    0010   16 Dbl-Word     8 RXBYTTOT (0)   RXBYT queue total
    0010   16 Signed       4 RXBYTTOTHI     - High half
    0014   20 Signed       4 RXBYTTOTLO     - Low half
    0018   24 Dbl-Word     8 RXERRTOT (0)   RXERR queue total
    0018   24 Signed       4 RXERRTOTHI     - High half
    001C   28 Signed       4 RXERRTOTLO     - Low half
              00000004       RXSIZE         (*-RXSPEC+7)/8 Size of RXSPEC in
                                            doublewords
          Related constants.
              00000100       NICMAXDV       256 Max Network Devices per NIC
              00000010       NICMAXNT       16 Max Network Ports per NIC -
                                            QDIO
              00000010       NICCACSZ       16 16 doubleword VLCBK cache
          Define MLTBK for this compile.
           PREFIX_LEN = 3
          Start of Assembler Control Block

RXSPEC Storage Layout | Top of page

    *** RXSPEC - Virtual Network Interface Card block
    *
    *     +---------------------------+---------------------------+
    *   0 |        RXPKTTOTHI         |        RXPKTTOTLO         |
    *     +---------------------------+---------------------------+
    *   8 |        RXDSCTOTHI         |        RXDSCTOTLO         |
    *     +---------------------------+---------------------------+
    *  10 |        RXBYTTOTHI         |        RXBYTTOTLO         |
    *     +---------------------------+---------------------------+
    *  18 |        RXERRTOTHI         |        RXERRTOTLO         |
    *     +---------------------------+---------------------------+
    *  20
    *
    *** RXSPEC - Virtual Network Interface Card block

RXSPEC Cross Reference | Top of page

    Symbol         Dspl Value
    -------------- ---- -----
    NICCACSZ       001C 00000010
    NICMAXDV       001C 00000100
    NICMAXNT       001C 00000010
    RXBYTTOT       0010
    RXBYTTOTHI     0010
    RXBYTTOTLO     0014
    RXDSCTOT       0008
    RXDSCTOTHI     0008
    RXDSCTOTLO     000C
    RXERRTOT       0018
    RXERRTOTHI     0018
    RXERRTOTLO     001C
    RXPKTTOT       0000
    RXPKTTOTHI     0000
    RXPKTTOTLO     0004
    RXSIZE         001C 00000004

This information is based on z/VM 7.2.0 Last updated on 24 Jun 2020 at 09:29:23 EDT.
Copyright IBM Corporation, 1990, 2020