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Prolog 
Control Block Contents 
   DG4BK 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.

 
  DG4BK Control Block Content Top of page
  




 DG4BK DSECT
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Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      DG4BK          NETWORK DIAGNOSE x'2A8' Request Blocks
             Code defined in DG4FUNC
0000    0 Bitstring    1 DG4FUNC        Function to Perform
          .... ...1      DG4ASSIG       1 DG4ASSIG Assign Multicast MAC
                                        Address
          .... ..1.      DG4REMOV       2 DG4REMOV Remove Multicast MAC
                                        Address
0001    1 Bitstring    7 *              Reserved for future IBM Use
0008    8 Bitstring    6 DG4MAC         MAC Address for Interface
000E   14 Bitstring    2 *              Reserved for future IBM Use
0010   16 Dbl-Word     8 * (2)          Reserved for Future IBM Use
0020   32 Bitstring    1 DG4$END (0)    The end
      DG5BK Operation Code x'05' Network Device Options
 
 
  DG4BK Storage Layout Top of page
  
          
*** DG4BK - NETWORK DIAGNOSE x'2A8' Request Blocks
*
*     +------+------------------------------------------------+
*   0 |:FUNC |////////////////////////////////////////////////|
*     +------+----------------------------------+-------------+
*   8 |                 DG4MAC                  |/////////////|
*     +-----------------------------------------+-------------+
*  10 |///////////////////////////////////////////////////////|
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*
*** DG4BK - NETWORK DIAGNOSE x'2A8' Request Blocks
 
 
  DG4BK Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
DG4$END        0020
DG4ASSIG       0000 01
DG4FUNC        0000
DG4MAC         0008
DG4REMOV       0000 02
 
This information is based on z/VM 7.4.0 Last updated on 24 Jun 2024 at 11:30:09 EDT.
Copyright IBM Corporation, 1990, 2024