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Communications Technical Reference, Volume 1

DL_INFO_REQ Primitive

Purpose

Requests information about the Data Link Provider Interface (DLPI) stream.

Structure

The message consists of one M_PCPROTO message block, which contains the following structure:

typedef struct 
{
   ulong dl_primitive;
} dl_info_req_t;

This structure is defined in /usr/include/sys/dlpi.h.

Description

The DL_INFO_REQ primitive requests information from the data link service (DLS) provider about the DLPI stream. This information includes a set of provider-specific parameters, as well as the current state of the interface.

Parameters

dl_primitive Conveys the DL_INFO_REQ primitive.

States

Valid The primitive is valid in any state in which a local acknowledgment is not pending.
New The resulting state is unchanged.

Acknowledgments

The DLS provider responds to the information request with a DL_INFO_ACK primitive.

Implementation Specifics

This primitive is part of Base Operating System (BOS) Runtime.

Related Information

The DL_INFO_ACK primitive.


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