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.\"
.\" This file and its contents are supplied under the terms of the
.\" Common Development and Distribution License ("CDDL"), version 1.0.
.\" You may only use this file in accordance with the terms of version
.\" 1.0 of the CDDL.
.\"
.\" A full copy of the text of the CDDL should have accompanied this
.\" source. A copy of the CDDL is also available via the Internet at
.\" http://www.illumos.org/license/CDDL.
.\"
.\"
.\" Copyright (c) 2017, Joyent, Inc.
.\"
.Dd Feb 21, 2017
.Dt MAC_TRANSCEIVER_INFO 9F
.Os
.Sh NAME
.Nm mac_transceiver_info ,
.Nm mac_transceiver_info_set_present ,
.Nm mac_transceiver_info_set_usable
.Nd set MAC transceiver property information
.Sh SYNOPSIS
.In sys/mac_provider.h
.Ft void
.Fo mac_transceiver_info_set_present
.Fa "mac_transceiver_info_t *infop"
.Fa "boolean_t present"
.Fc
.Ft void
.Fo mac_transceiver_info_set_usable
.Fa "mac_transceiver_info_t *infop"
.Fa "boolean_t usable"
.Fc
.Sh INTERFACE LEVEL
.Sy Volatile -
This interface is still evolving in illumos.
API and ABI stability is
not guaranteed.
.Sh PARAMETERS
.Bl -tag -width Fa
.It Fa infop
A pointer to an opaque structure obtained as an argument to the
.Xr mct_info 9E
entry point.
.It Fa present
A boolean that indicates whether the transceiver is present.
.It Fa usable
A boolean that indicates whether the transceiver is usable.
.El
.Sh DESCRIPTION
The
.Fn mac_transceiver_set_present
and
.Fn mac_transceiver_set_usable
functions are used to set information about a transceiver as part of the
.Xr mct_info 9E
entry point to obtain information about a MAC transceiver.
For more information and background, see the
.Sy Transceiver Information Functions
section of
.Xr mac_capab_transceiver 9E .
.Pp
The
.Fn mct_transceiver_set_present
function sets whether or not the transceiver is present and plugged into
the system.
If the transceiver is not plugged in, then the function
should be called with
.Fa present set to
.Dv B_FALSE ,
otehrwise it should use
.Dv B_TRUE .
.Pp
The
.Fn mct_transceiver_set_usable
function determines whether or not the device can use the transceiver.
If the device cannot use the transceiver, then it should call the
function with
.Fa usable
set to
.Dv B_FALSE .
Otherwise, it should use
.Dv B_TRUE .
If the transceiver is not present, then this function should not be
called.
.Sh CONTEXT
These functions should be called in response to handling the
.Fn mct_info 9E
entry point for transceivers in
.Sy kernel
context.
.Sh SEE ALSO
.Xr mac 9E ,
.Xr mac_capab_transceiver 9E ,
.Xr mct_info 9E
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