CNP1 or CNR1 entry for ECB posted or RPL exit dispatched (Part 1)

The CNP1 trace record is written when an ECB is posted. The CNR1 trace record is written when an RPL exit is dispatched. These trace records signal that execution of the VCNSCMD macroinstruction is complete and show that the data returned to the user application program.

Byte (hex)

Contents

00–03

Record ID:

• C"CNP1" for ECB posting
• C"CNR1" for RPL exit dispatching

04

ID is the primary address space ID (ASID). This field is 0 if the ASID is greater than X'FF'.

05

Global VTAM® return code (RPLRTNCD)

06

Global VTAM feedback code (RPLFDB2)

07

VCNSCMD CONTROL= operand value

08

INQUIRE

10

LOGON

14

TEST

18

XID

20

LOGOFF

40

STATUS

50

SET

80

SEND

C0

CHECK

E0

SETCPARM

F0

RECEIVE

08–0B

RPL address

0C–0F

RPL3 address (RPLAAREA)

10–13

Address of area containing user data (RPLAREA), or 0 if no area is supplied

14

VCNS flag byte

Bit

Meaning

1... ....

Q-bit indicator

.1.. ....

M-bit indicator

..1. ....

D-bit indicator

...1 ....

Buffer list indicator

.... xxxx

0

15

VCNS flag byte

Bit

Meaning

00.. ....

Continue specific

01.. ....

Continue any

11.. ....

Continue same

..00 ....

Data flow=on

..01 ....

Data flow=off

..11 ....

Data flow=same

.... 1...

Receive any indicator

.... .xxx

0

16

VCNS flag byte

Bit

Meaning

1... ....

STYPE=CONFIRM indicator

.xxx xxxx

0

17

0

18–1B

Address into which expedited data is to be read or from which expedited data is to be written, or 0 if no area is supplied

1C–1F

Connection or resource identifier (RID)

• RID is returned when the VCNSCMD CONTROL value is:
  • LOGON
  • LOGOFF
  • READ
  • SET
  • STATUS (for network access point)
  • TEST
  • XID
• Connection ID is returned when the VCNSCMD CONTROL value is:
  • CLOSE
  • EXPEDITE
  • OPEN
  • RECEIVE
  • RESET
  • RESUME
  • SEND
  • SETCPARM
  • SUSPEND
  • STATUS (for connection)
• 0 is returned when the VCNSCMD CONTROL value is INQUIRE