Technical data

dlpi(7P) Protocols SunOS 5.5

NAME dlpi − Data Link Provider Interface

SYNOPSIS #include <sys/dlpi.h>

DESCRIPTION SunOS STREAMS-based device drivers wishing to support the STREAMS TCP/IP and other

STREAMS-based networking protocol suite implementations support Version 2 of the

Data Link Provider Interface (DLPI). DLPI V2 enables a data link service user to access

and use any of a variety of conforming data link service providers without special

knowledge of the provider’s protocol. Speciﬁcally, the interface is intended to support

Ethernet,X.25 LAPB, SDLC, ISDN LAPD, CSMA/CD, FDDI, token ring, token bus, Bisync,

and other datalink-levelprotocols.

The interface speciﬁes access to the data linkservice provider in the form of M_PROTO

and M_PCPROTO typeSTREAMS messages and does not deﬁne a speciﬁc protocol imple-

mentation. The interface deﬁnes the syntax and semantics of primitives exchanged

between the data link user and the data linkprovider to attach a physical device with

physical-level address to a stream, bind a datalink-level address to the stream, get

implementation-speciﬁc information from the data link provider, exchange data with a

peer data link user in one of three communication modes (connection, connectionless,

acknowledged connectionless), enable/disable multicast group and promiscuous mode

reception of datalink frames, get and set the physical address associated with a stream,

and several other operations.

For details on this interface refer to the <sys/dlpi.h> header and to theSTREAMS DLPI

Speciﬁcation, 800-6915-01.

FILES Files in or under /dev.