HP rp5450 HP DLPI Programmer's Guide - Page 148
Primitives to Handle XID and TEST Operations,
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DLPI Primitives Primitives to Handle XID and TEST Operations State The message is valid in states DL_IDLE and DL_DATAXFER. New State The resulting state is unchanged. Response On an invalid TEST command request, a DL_ERROR_ACK is issued to the user. If the DLS provider receives a response from the remote side, a DL_TEST_CON is issued to the DLS user. It is recommended that the DLS user use a timeout procedure to recover from a situation when there is no response from the peer DLS user. Reasons for Failure DL_OUTSTATE Primitive was issued from an invalid state. DL_BADADDR DLSAP address information was invalid or was in an incorrect format. DL_SYSERR A system error has occurred and the UNIX system error is indicated in the DL_ERROR_ACK. The UNIX error returned may be set to (not limited to) errors listed in Table 2-2 on page 71. DL_NOTSUPPORTED Primitive is known but not supported by the DLS provider. DL_TESTAUTO Previous bind request specified automatic handling of TEST responses. DL_UNSUPPORTED Requested service not supplied by provider. 148 Chapter 2