'\" t
.\"     Title: phy_lookup_setting
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: September 2017
.\"    Manual: Network device support
.\"    Source: Kernel Hackers Manual 4.12.13
.\"  Language: English
.\"
.TH "PHY_LOOKUP_SETTING" "9" "September 2017" "Kernel Hackers Manual 4\&.12\&" "Network device support"
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.SH "NAME"
phy_lookup_setting \- lookup a PHY setting
.SH "SYNOPSIS"
.HP \w'const\ struct\ phy_setting\ *\ phy_lookup_setting('u
.BI "const struct phy_setting * phy_lookup_setting(int\ " "speed" ", int\ " "duplex" ", u32\ " "features" ", bool\ " "exact" ");"
.SH "ARGUMENTS"
.PP
\fIint speed\fR
.RS 4
speed to match
.RE
.PP
\fIint duplex\fR
.RS 4
duplex to match
.RE
.PP
\fIu32 features\fR
.RS 4
allowed link modes
.RE
.PP
\fIbool exact\fR
.RS 4
an exact match is required
.RE
.SH "DESCRIPTION"
.PP
Search the settings array for a setting that matches the speed and duplex, and which is supported\&.
.PP
If
\fIexact\fR
is unset, either an exact match or
\fBNULL\fR
for no match will be returned\&.
.PP
If
\fIexact\fR
is set, an exact match, the fastest supported setting at or below the specified speed, the slowest supported setting, or if they all fail,
\fBNULL\fR
will be returned\&.
.SH "COPYRIGHT"
.br