.\"	$NetBSD: canloop.4,v 1.3 2017/05/29 08:42:33 wiz Exp $
.\"
.\" Copyright (c) 2017 Manuel Bouyer.
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.Dd May 18, 2017
.Dt CANLOOP 4
.Os
.Sh NAME
.Nm canloop
.Nd software loopback CAN network interface
.Sh SYNOPSIS
.Cd "pseudo-device canloop"
.Sh DESCRIPTION
The
.Nm canloop
pseudo interface is a loopback interface for the CAN layer.
It can be used as destination by a CAN application, when no CAN
hardware is available.
Other sockets bound to the same
.Nm canloop
interface (or not bound to any interface) will receive the frames.
.Pp
.Nm canloop
interfaces can be created by using the
.Xr ifconfig 8
.Cm create
command.
.Sh SEE ALSO
.Xr can 4 ,
.Xr intro 4 ,
.Xr ifconfig 8
.Sh HISTORY
The
.Nm
device appeared in
.Nx 8.0 .