HP rp4440 HP DLPI Programmer's Guide - Page 120
DL_HP_SET_P_TO_REQ, State, New State, Response, Reasons for Failure, Format
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DLPI Primitives Connection-mode Service Primitives State The message is valid in the states DL_IDLE, DL_DATAXFER, DL_OUTCON_PENDING, DL_INCON_PENDING, DL_USER_RESET_PENDING, and Dl_PROV_RESET_PENDING. New State The resulting state is unchanged. Response If the primitive is issued from a valid state, the DLS provider responds with a DL_OK_ACK. Otherwise a DL_ERROR_ACK is returned. Reasons for Failure DL_OUTSTATE Primitive was issued from an invalid state. DL_HP_SET_P_TO_REQ Requests the DLS provider to set the P timeout to the specified value. Format typedef struct { u_long dl_primitive; u_long dl_p_to; } dl_hp_set_p_to_req_t; dl_primitive DL_HP_SET_P_TO_REQ dl_p_to new value of the P timeout in tenths of a second. The P timeout determines the length of time that LLC Type 2, after sending a command with the P bit set to 1, will wait for a response with the F bit set to 1 before attempting to force a response. State The message is valid in the states DL_IDLE, DL_DATAXFER, DL_OUTCON_PENDING, DL_INCON_PENDING, DL_USER_RESET_PENDING, and DL_PROV_RESET_PENDING. New State 120 Chapter 2