DRBLK Back to Index page
 
Prolog 
Control Block Contents 
   DRBLK 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.

 
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 DRBLK DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure DRBLK NETWORK DIAGNOSE x'2A8' Request Blocks 0000 0 Bitstring 1 DRBFLAG Processing Flag .... ...1 DRBMCAST X'01' DRBMCAST Indicates a Multicast Frame .... ..1. DRBBCAST X'02' DRBBCAST Indicates a Broadcast Frame .... .1.. DRBUCAST X'04' DRBUCAST Indicates a Unicast Frame .... .111 DRBVFLAG DRBMCAST+DRBBCAST+DRBUCAST DRBVFLAG 0001 1 Bitstring 1 DRBKEY Storage key for Datagram 0002 2 Bitstring 4 * Reserved for future IBM Use 0006 6 Signed 2 DRBCOUNT Size of Datagram in bytes 0008 8 Dbl-Word 8 DRBADDR G:ADR of Datagram (payload) 0010 16 Bitstring 1 DRB$END (0) The end DG4BK Operation Code x'04' Multicast MAC ADR Registration
 
 
  DRBLK Storage Layout Top of page
 
          
*** DRBLK - NETWORK DIAGNOSE x'2A8' Request Blocks
*
*     +------+------+---------------------------+-------------+
*   0 |:FLAG |DRBKEY|///////////////////////////|  DRBCOUNT   |
*     +------+------+---------------------------+-------------+
*   8 |                       DRBADDR                         |
*     +-------------------------------------------------------+
*
*** DRBLK - NETWORK DIAGNOSE x'2A8' Request Blocks
 
 
  DRBLK Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
DRB$END        0010
DRBADDR        0008
DRBBCAST       0000 02
DRBCOUNT       0006
DRBFLAG        0000
DRBKEY         0001
DRBMCAST       0000 01
DRBUCAST       0000 04
DRBVFLAG       0000 07
 
This information is based on z/VM 6.3.0 Last updated on 22 May 2013 at 13:54:16 EDT.
Copyright IBM Corporation, 1990, 2013