1259 lines
31 KiB
Groff
1259 lines
31 KiB
Groff
.\" -*- nroff -*-
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.\" Copyright 1999 by David S. Miller. All Rights Reserved.
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.\" Portions Copyright 2001 Sun Microsystems
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.\" Portions Copyright 2007, 2009 Free Software Foundation, Inc.
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.\" This file may be copied under the terms of the GNU Public License.
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.\"
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.\" There must be no text lines before .TH. Use '.' for vertical spacing.
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.\" .An - list of n alternative values as in "flav vanilla|strawberry"
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.de A1
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\\fB\\$1\\fP|\\fB\\$2\\fP
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..
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\\fB\\$1\\fP\ \\fB\\$2\\fP|\\fB\\$3\\fP
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\\fB\\$1\\fP\ \\fB\\$2\\fP|\\fB\\$3\\fP|\\fB\\$4\\fP
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.de A4
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\\fB\\$1\\fP\ \\fB\\$2\\fP|\\fB\\$3\\fP|\\fB\\$4\\fP|\\fB\\$5\\fP
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..
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.\"
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.\" .Bn - same as above but framed by square brackets
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[\\fB\\$1\\fP|\\fB\\$2\\fP]
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[\\fB\\$1\\fP\ \\fB\\$2\\fP|\\fB\\$3\\fP|\\fB\\$4\\fP|\\fB\\$5\\fP]
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..
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.\"
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.\" .BN - value with a numeric input as in "[value N]"
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.de BN
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[\\fB\\$1\\fP\ \\fIN\\fP]
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..
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.\" .BM - same as above but has a mask field for format "[value N [m N]]"
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.\"
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.de BM
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[\\fB\\$1\\fP\ \\fIN\\fP\ [\\fBm\\fP\ \\fIN\\fP]]
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..
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.\"
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.\" \(*MA - mac address
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.\"
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.ds MA \fIxx\fP\fB:\fP\fIyy\fP\fB:\fP\fIzz\fP\fB:\fP\fIaa\fP\fB:\fP\fIbb\fP\fB:\fP\fIcc\fP
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.\"
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.\" \(*PA - IP address
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.\"
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.ds PA \fIip-address\fP
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.\"
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.\" \(*WO - wol flags
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.\"
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.ds WO \fBp\fP|\fBu\fP|\fBm\fP|\fBb\fP|\fBa\fP|\fBg\fP|\fBs\fP|\fBf|\fBd\fP...
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.\"
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.\" \(*FL - flow type values
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.\"
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.ds FL \fBtcp4\fP|\fBudp4\fP|\fBah4\fP|\fBesp4\fP|\fBsctp4\fP|\fBtcp6\fP|\fBudp6\fP|\fBah6\fP|\fBesp6\fP|\fBsctp6\fP
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.\"
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.\" \(*HO - hash options
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.\"
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.ds HO \fBm\fP|\fBv\fP|\fBt\fP|\fBs\fP|\fBd\fP|\fBf\fP|\fBn\fP|\fBr\fP...
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.\"
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.\" \(*SD - Self-diag test values
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.\"
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.ds SD \fBoffline\fP|\fBonline\fP|\fBexternal_lb\fP
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.\"
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.\" \(*NC - Network Classifier type values
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.\"
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.ds NC \fBether\fP|\fBip4\fP|\fBtcp4\fP|\fBudp4\fP|\fBsctp4\fP|\fBah4\fP|\fBesp4\fP|\fBip6\fP|\fBtcp6\fP|\fBudp6\fP|\fBah6\fP|\fBesp6\fP|\fBsctp6\fP
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..
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.\"
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.\" Start URL.
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.de UR
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. ds m1 \\$1\"
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. nh
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. if \\n(mH \{\
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. \" Start diversion in a new environment.
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. do ev URL-div
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. do di URL-div
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. \}
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.\" End URL.
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.de UE
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. ie \\n(mH \{\
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. br
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. di
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. ev
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. \" Has there been one or more input lines for the link text?
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. ie \\n(dn \{\
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. do HTML-NS "<a href=""\\*(m1"">"
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. \" Yes, strip off final newline of diversion and emit it.
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. do chop URL-div
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. do URL-div
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\c
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. do HTML-NS </a>
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. \}
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. el \
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. do HTML-NS "<a href=""\\*(m1"">\\*(m1</a>"
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\&\\$*\"
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. \}
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. el \
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\\*(la\\*(m1\\*(ra\\$*\"
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.
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. hy \\n(HY
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..
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.
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.TH ETHTOOL 8 "September 2019" "Ethtool version @VERSION@"
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.SH NAME
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ethtool \- query or control network driver and hardware settings
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.
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.SH SYNOPSIS
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.\" Do not adjust lines (i.e. left justification) and do not hyphenate.
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.na
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.nh
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.HP
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.B ethtool
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.I devname
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.HP
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.B ethtool \-h|\-\-help
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.HP
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.B ethtool \-\-version
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.HP
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.B ethtool \-a|\-\-show\-pause
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.I devname
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.HP
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.B ethtool \-A|\-\-pause
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.I devname
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.B2 autoneg on off
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.B2 rx on off
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.B2 tx on off
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.HP
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.B ethtool \-c|\-\-show\-coalesce
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.I devname
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.HP
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.B ethtool \-C|\-\-coalesce
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.I devname
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.B2 adaptive\-rx on off
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.B2 adaptive\-tx on off
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.BN rx\-usecs
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.BN rx\-frames
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.BN rx\-usecs\-irq
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.BN rx\-frames\-irq
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.BN tx\-usecs
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.BN tx\-frames
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.BN tx\-usecs\-irq
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.BN tx\-frames\-irq
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.BN stats\-block\-usecs
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.BN pkt\-rate\-low
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.BN rx\-usecs\-low
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.BN rx\-frames\-low
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.BN tx\-usecs\-low
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.BN tx\-frames\-low
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.BN pkt\-rate\-high
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.BN rx\-usecs\-high
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.BN rx\-frames\-high
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.BN tx\-usecs\-high
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.BN tx\-frames\-high
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.BN sample\-interval
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.HP
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.B ethtool \-g|\-\-show\-ring
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.I devname
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.HP
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.B ethtool \-G|\-\-set\-ring
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.I devname
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.BN rx
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.BN rx\-mini
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.BN rx\-jumbo
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.BN tx
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.HP
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.B ethtool \-i|\-\-driver
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.I devname
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.HP
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.B ethtool \-d|\-\-register\-dump
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.I devname
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.B2 raw on off
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.B2 hex on off
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.RB [ file
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.IR name ]
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.HP
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.B ethtool \-e|\-\-eeprom\-dump
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.I devname
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.B2 raw on off
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.BN offset
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.BN length
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.HP
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.B ethtool \-E|\-\-change\-eeprom
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.I devname
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.BN magic
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.BN offset
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.BN length
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.BN value
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.HP
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.B ethtool \-k|\-\-show\-features|\-\-show\-offload
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.I devname
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.HP
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.B ethtool \-K|\-\-features|\-\-offload
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.I devname feature
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.A1 on off
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.RB ...
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.HP
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.B ethtool \-p|\-\-identify
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.I devname
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.RI [ N ]
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.HP
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.B ethtool \-P|\-\-show\-permaddr
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.I devname
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.HP
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.B ethtool \-r|\-\-negotiate
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.I devname
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.HP
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.B ethtool \-S|\-\-statistics
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.I devname
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.HP
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.B ethtool \-\-phy\-statistics
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.I devname
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.HP
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.B ethtool \-t|\-\-test
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.I devname
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.RI [\*(SD]
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.HP
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.B ethtool \-s
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.I devname
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.BN speed
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.B2 duplex half full
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.B4 port tp aui bnc mii fibre
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.B3 mdix auto on off
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.B2 autoneg on off
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.BN advertise
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.BN phyad
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.B2 xcvr internal external
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.RB [ wol \ \*(WO]
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.RB [ sopass \ \*(MA]
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.RB [ msglvl
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.IR N \ |
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.BI msglvl \ type
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.A1 on off
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.RB ...]
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.HP
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.B ethtool \-n|\-u|\-\-show\-nfc|\-\-show\-ntuple
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.I devname
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.RB [\ rx\-flow\-hash \ \*(FL \ |
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.br
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.BI rule \ N
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.RB ]
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.HP
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.B ethtool \-N|\-U|\-\-config\-nfc|\-\-config\-ntuple
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.I devname
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.BR rx\-flow\-hash \ \*(FL \ \: \*(HO \ |
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.br
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.B flow\-type \*(NC
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.RB [ src \ \*(MA\ [ m \ \*(MA]]
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.RB [ dst \ \*(MA\ [ m \ \*(MA]]
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.BM proto
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.RB [ src\-ip \ \*(PA\ [ m \ \*(PA]]
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.RB [ dst\-ip \ \*(PA\ [ m \ \*(PA]]
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.BM tos
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.BM tclass
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.BM l4proto
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.BM src\-port
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.BM dst\-port
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.BM spi
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.BM l4data
|
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.BM vlan\-etype
|
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.BM vlan
|
|
.BM user\-def
|
|
.RB [ dst-mac \ \*(MA\ [ m \ \*(MA]]
|
|
.BN action
|
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.BN context
|
|
.BN loc
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|
.RB |
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.br
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.BI delete \ N
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.HP
|
|
.B ethtool \-w|\-\-get\-dump
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.I devname
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.RB [ data
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.IR filename ]
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.HP
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.B ethtool\ \-W|\-\-set\-dump
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.I devname N
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.HP
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|
.B ethtool \-T|\-\-show\-time\-stamping
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|
.I devname
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.HP
|
|
.B ethtool \-x|\-\-show\-rxfh\-indir|\-\-show\-rxfh
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|
.I devname
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.HP
|
|
.B ethtool \-X|\-\-set\-rxfh\-indir|\-\-rxfh
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|
.I devname
|
|
.RB [ hkey \ \*(MA:\...]
|
|
.RB [ start
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|
.IR N ]
|
|
.RB [\ equal
|
|
.IR N \ |
|
|
.BI weight\ W0
|
|
.IR W1
|
|
.RB ...\ | \ default \ ]
|
|
.RB [ hfunc
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|
.IR FUNC ]
|
|
.RB [ context
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.I CTX
|
|
.RB |\ new ]
|
|
.RB [ delete ]
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|
.HP
|
|
.B ethtool \-f|\-\-flash
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|
.I devname file
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.RI [ N ]
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|
.HP
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|
.B ethtool \-l|\-\-show\-channels
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|
.I devname
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.HP
|
|
.B ethtool \-L|\-\-set\-channels
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.I devname
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.BN rx
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.BN tx
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.BN other
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.BN combined
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.HP
|
|
.B ethtool \-m|\-\-dump\-module\-eeprom|\-\-module\-info
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.I devname
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.B2 raw on off
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.B2 hex on off
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.BN offset
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.BN length
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.HP
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.B ethtool \-\-show\-priv\-flags
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.I devname
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.HP
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|
.B ethtool \-\-set\-priv\-flags
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.I devname flag
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.A1 on off
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.RB ...
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.HP
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|
.B ethtool \-\-show\-eee
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|
.I devname
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.HP
|
|
.B ethtool \-\-set\-eee
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.I devname
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|
.B2 eee on off
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|
.B2 tx-lpi on off
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|
.BN tx-timer
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|
.BN advertise
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.HP
|
|
.B ethtool \-\-set\-phy\-tunable
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|
.I devname
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.RB [
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|
.B downshift
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|
.A1 on off
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|
.BN count
|
|
.RB ]
|
|
.RB [
|
|
.B fast\-link\-down
|
|
.A1 on off
|
|
.BN msecs
|
|
.RB ]
|
|
.RB [
|
|
.B energy\-detect\-power\-down
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|
.A1 on off
|
|
.BN msecs
|
|
.RB ]
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|
.HP
|
|
.B ethtool \-\-get\-phy\-tunable
|
|
.I devname
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|
.RB [ downshift ]
|
|
.RB [ fast-link-down ]
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|
.RB [ energy-detect-power-down ]
|
|
.HP
|
|
.B ethtool \-\-reset
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|
.I devname
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|
.BN flags
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|
.RB [ mgmt ]
|
|
.RB [ mgmt-shared ]
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|
.RB [ irq ]
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|
.RB [ irq-shared ]
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|
.RB [ dma ]
|
|
.RB [ dma-shared ]
|
|
.RB [ filter ]
|
|
.RB [ filter-shared ]
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|
.RB [ offload ]
|
|
.RB [ offload-shared ]
|
|
.RB [ mac ]
|
|
.RB [ mac-shared ]
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|
.RB [ phy ]
|
|
.RB [ phy-shared ]
|
|
.RB [ ram ]
|
|
.RB [ ram-shared ]
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|
.RB [ ap ]
|
|
.RB [ ap-shared ]
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|
.RB [ dedicated ]
|
|
.RB [ all ]
|
|
.HP
|
|
.B ethtool \-\-show\-fec
|
|
.I devname
|
|
.HP
|
|
.B ethtool \-\-set\-fec
|
|
.I devname
|
|
.B encoding
|
|
.BR auto | off | rs | baser \ [...]
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|
.HP
|
|
.B ethtool \-Q|\-\-per\-queue
|
|
.I devname
|
|
.RB [ queue_mask
|
|
.IR %x ]
|
|
.I sub_command
|
|
.RB ...
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|
.
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|
.
|
|
.\" Adjust lines (i.e. full justification) and hyphenate.
|
|
.ad
|
|
.hy
|
|
|
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.SH DESCRIPTION
|
|
.BI ethtool
|
|
is used to query and control network device driver and hardware
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settings, particularly for wired Ethernet devices.
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|
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.I devname
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is the name of the network device on which ethtool should operate.
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|
|
|
.SH OPTIONS
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|
.B ethtool
|
|
with a single argument specifying the device name prints current
|
|
settings of the specified device.
|
|
.TP
|
|
.B \-h \-\-help
|
|
Shows a short help message.
|
|
.TP
|
|
.B \-\-version
|
|
Shows the ethtool version number.
|
|
.TP
|
|
.B \-a \-\-show\-pause
|
|
Queries the specified Ethernet device for pause parameter information.
|
|
.TP
|
|
.B \-A \-\-pause
|
|
Changes the pause parameters of the specified Ethernet device.
|
|
.RS 4
|
|
.TP
|
|
.A2 autoneg on off
|
|
Specifies whether pause autonegotiation should be enabled.
|
|
.TP
|
|
.A2 rx on off
|
|
Specifies whether RX pause should be enabled.
|
|
.TP
|
|
.A2 tx on off
|
|
Specifies whether TX pause should be enabled.
|
|
.RE
|
|
.TP
|
|
.B \-c \-\-show\-coalesce
|
|
Queries the specified network device for coalescing information.
|
|
.TP
|
|
.B \-C \-\-coalesce
|
|
Changes the coalescing settings of the specified network device.
|
|
.TP
|
|
.B \-g \-\-show\-ring
|
|
Queries the specified network device for rx/tx ring parameter information.
|
|
.TP
|
|
.B \-G \-\-set\-ring
|
|
Changes the rx/tx ring parameters of the specified network device.
|
|
.RS 4
|
|
.TP
|
|
.BI rx \ N
|
|
Changes the number of ring entries for the Rx ring.
|
|
.TP
|
|
.BI rx\-mini \ N
|
|
Changes the number of ring entries for the Rx Mini ring.
|
|
.TP
|
|
.BI rx\-jumbo \ N
|
|
Changes the number of ring entries for the Rx Jumbo ring.
|
|
.TP
|
|
.BI tx \ N
|
|
Changes the number of ring entries for the Tx ring.
|
|
.RE
|
|
.TP
|
|
.B \-i \-\-driver
|
|
Queries the specified network device for associated driver information.
|
|
.TP
|
|
.B \-d \-\-register\-dump
|
|
Retrieves and prints a register dump for the specified network device.
|
|
The register format for some devices is known and decoded others
|
|
are printed in hex.
|
|
When
|
|
.I raw
|
|
is enabled, then ethtool dumps the raw register data to stdout.
|
|
If
|
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.I file
|
|
is specified, then use contents of previous raw register dump, rather
|
|
than reading from the device.
|
|
.TP
|
|
.B \-e \-\-eeprom\-dump
|
|
Retrieves and prints an EEPROM dump for the specified network device.
|
|
When raw is enabled, then it dumps the raw EEPROM data to stdout. The
|
|
length and offset parameters allow dumping certain portions of the EEPROM.
|
|
Default is to dump the entire EEPROM.
|
|
.RS 4
|
|
.TP
|
|
.BI raw \ on|off
|
|
.TP
|
|
.BI offset \ N
|
|
.TP
|
|
.BI length \ N
|
|
.RE
|
|
.TP
|
|
.B \-E \-\-change\-eeprom
|
|
If value is specified, changes EEPROM byte for the specified network device.
|
|
offset and value specify which byte and it's new value. If value is not
|
|
specified, stdin is read and written to the EEPROM. The length and offset
|
|
parameters allow writing to certain portions of the EEPROM.
|
|
Because of the persistent nature of writing to the EEPROM, a device-specific
|
|
magic key must be specified to prevent the accidental writing to the EEPROM.
|
|
.TP
|
|
.B \-k \-\-show\-features \-\-show\-offload
|
|
Queries the specified network device for the state of protocol
|
|
offload and other features.
|
|
.TP
|
|
.B \-K \-\-features \-\-offload
|
|
Changes the offload parameters and other features of the specified
|
|
network device. The following feature names are built-in and others
|
|
may be defined by the kernel.
|
|
.RS 4
|
|
.TP
|
|
.A2 rx on off
|
|
Specifies whether RX checksumming should be enabled.
|
|
.TP
|
|
.A2 tx on off
|
|
Specifies whether TX checksumming should be enabled.
|
|
.TP
|
|
.A2 sg on off
|
|
Specifies whether scatter-gather should be enabled.
|
|
.TP
|
|
.A2 tso on off
|
|
Specifies whether TCP segmentation offload should be enabled.
|
|
.TP
|
|
.A2 ufo on off
|
|
Specifies whether UDP fragmentation offload should be enabled
|
|
.TP
|
|
.A2 gso on off
|
|
Specifies whether generic segmentation offload should be enabled
|
|
.TP
|
|
.A2 gro on off
|
|
Specifies whether generic receive offload should be enabled
|
|
.TP
|
|
.A2 lro on off
|
|
Specifies whether large receive offload should be enabled
|
|
.TP
|
|
.A2 rxvlan on off
|
|
Specifies whether RX VLAN acceleration should be enabled
|
|
.TP
|
|
.A2 txvlan on off
|
|
Specifies whether TX VLAN acceleration should be enabled
|
|
.TP
|
|
.A2 ntuple on off
|
|
Specifies whether Rx ntuple filters and actions should be enabled
|
|
.TP
|
|
.A2 rxhash on off
|
|
Specifies whether receive hashing offload should be enabled
|
|
.RE
|
|
.TP
|
|
.B \-p \-\-identify
|
|
Initiates adapter-specific action intended to enable an operator to
|
|
easily identify the adapter by sight. Typically this involves
|
|
blinking one or more LEDs on the specific network port.
|
|
.RS 4
|
|
.TP
|
|
.BN
|
|
Length of time to perform phys-id, in seconds.
|
|
.RE
|
|
.TP
|
|
.B \-P \-\-show\-permaddr
|
|
Queries the specified network device for permanent hardware address.
|
|
.TP
|
|
.B \-r \-\-negotiate
|
|
Restarts auto-negotiation on the specified Ethernet device, if
|
|
auto-negotiation is enabled.
|
|
.TP
|
|
.B \-S \-\-statistics
|
|
Queries the specified network device for NIC- and driver-specific
|
|
statistics.
|
|
.TP
|
|
.B \-\-phy\-statistics
|
|
Queries the specified network device for PHY specific statistics.
|
|
.TP
|
|
.B \-t \-\-test
|
|
Executes adapter selftest on the specified network device. Possible test modes are:
|
|
.RS 4
|
|
.TP
|
|
.B offline
|
|
Perform full set of tests, possibly interrupting normal operation
|
|
during the tests,
|
|
.TP
|
|
.B online
|
|
Perform limited set of tests, not interrupting normal operation,
|
|
.TP
|
|
.B external_lb
|
|
Perform full set of tests, as for \fBoffline\fR, and additionally an
|
|
external-loopback test.
|
|
.RE
|
|
.TP
|
|
.B \-s \-\-change
|
|
Allows changing some or all settings of the specified network device.
|
|
All following options only apply if
|
|
.B \-s
|
|
was specified.
|
|
.RS 4
|
|
.TP
|
|
.BI speed \ N
|
|
Set speed in Mb/s.
|
|
.B ethtool
|
|
with just the device name as an argument will show you the supported device speeds.
|
|
.TP
|
|
.A2 duplex half full
|
|
Sets full or half duplex mode.
|
|
.TP
|
|
.A4 port tp aui bnc mii fibre
|
|
Selects device port.
|
|
.TP
|
|
.A3 mdix auto on off
|
|
Selects MDI-X mode for port. May be used to override the automatic
|
|
detection feature of most adapters. An argument of \fBauto\fR means
|
|
automatic detection of MDI status, \fBon\fR forces MDI-X (crossover)
|
|
mode, while \fBoff\fR means MDI (straight through) mode. The driver
|
|
should guarantee that this command takes effect immediately, and if
|
|
necessary may reset the link to cause the change to take effect.
|
|
.TP
|
|
.A2 autoneg on off
|
|
Specifies whether autonegotiation should be enabled. Autonegotiation
|
|
is enabled by default, but in some network devices may have trouble
|
|
with it, so you can disable it if really necessary.
|
|
.TP
|
|
.BI advertise \ N
|
|
Sets the speed and duplex advertised by autonegotiation. The argument is
|
|
a hexadecimal value using one or a combination of the following values:
|
|
.TS
|
|
nokeep;
|
|
lB l lB.
|
|
0x001 10baseT Half
|
|
0x002 10baseT Full
|
|
0x004 100baseT Half
|
|
0x008 100baseT Full
|
|
0x80000000000000000 100baseT1 Full
|
|
0x010 1000baseT Half (not supported by IEEE standards)
|
|
0x020 1000baseT Full
|
|
0x100000000000000000 1000baseT1 Full
|
|
0x20000 1000baseKX Full
|
|
0x20000000000 1000baseX Full
|
|
0x800000000000 2500baseT Full
|
|
0x8000 2500baseX Full (not supported by IEEE standards)
|
|
0x1000000000000 5000baseT Full
|
|
0x1000 10000baseT Full
|
|
0x40000 10000baseKX4 Full
|
|
0x80000 10000baseKR Full
|
|
0x100000 10000baseR_FEC
|
|
0x40000000000 10000baseCR Full
|
|
0x80000000000 10000baseSR Full
|
|
0x100000000000 10000baseLR Full
|
|
0x200000000000 10000baseLRM Full
|
|
0x400000000000 10000baseER Full
|
|
0x200000 20000baseMLD2 Full (not supported by IEEE standards)
|
|
0x400000 20000baseKR2 Full (not supported by IEEE standards)
|
|
0x80000000 25000baseCR Full
|
|
0x100000000 25000baseKR Full
|
|
0x200000000 25000baseSR Full
|
|
0x800000 40000baseKR4 Full
|
|
0x1000000 40000baseCR4 Full
|
|
0x2000000 40000baseSR4 Full
|
|
0x4000000 40000baseLR4 Full
|
|
0x400000000 50000baseCR2 Full
|
|
0x800000000 50000baseKR2 Full
|
|
0x10000000000 50000baseSR2 Full
|
|
0x10000000000000 50000baseKR Full
|
|
0x20000000000000 50000baseSR Full
|
|
0x40000000000000 50000baseCR Full
|
|
0x80000000000000 50000baseLR_ER_FR Full
|
|
0x100000000000000 50000baseDR Full
|
|
0x8000000 56000baseKR4 Full
|
|
0x10000000 56000baseCR4 Full
|
|
0x20000000 56000baseSR4 Full
|
|
0x40000000 56000baseLR4 Full
|
|
0x1000000000 100000baseKR4 Full
|
|
0x2000000000 100000baseSR4 Full
|
|
0x4000000000 100000baseCR4 Full
|
|
0x8000000000 100000baseLR4_ER4 Full
|
|
0x200000000000000 100000baseKR2 Full
|
|
0x400000000000000 100000baseSR2 Full
|
|
0x800000000000000 100000baseCR2 Full
|
|
0x1000000000000000 100000baseLR2_ER2_FR2 Full
|
|
0x2000000000000000 100000baseDR2 Full
|
|
0x4000000000000000 200000baseKR4 Full
|
|
0x8000000000000000 200000baseSR4 Full
|
|
0x10000000000000000 200000baseLR4_ER4_FR4 Full
|
|
0x20000000000000000 200000baseDR4 Full
|
|
0x40000000000000000 200000baseCR4 Full
|
|
.TE
|
|
.TP
|
|
.BI phyad \ N
|
|
PHY address.
|
|
.TP
|
|
.A2 xcvr internal external
|
|
Selects transceiver type. Currently only internal and external can be
|
|
specified, in the future further types might be added.
|
|
.TP
|
|
.BR wol \ \*(WO
|
|
Sets Wake-on-LAN options. Not all devices support this. The argument to
|
|
this option is a string of characters specifying which options to enable.
|
|
.TS
|
|
nokeep;
|
|
lB l.
|
|
p Wake on PHY activity
|
|
u Wake on unicast messages
|
|
m Wake on multicast messages
|
|
b Wake on broadcast messages
|
|
a Wake on ARP
|
|
g Wake on MagicPacket\[tm]
|
|
s Enable SecureOn\[tm] password for MagicPacket\[tm]
|
|
f Wake on filter(s)
|
|
d T{
|
|
Disable (wake on nothing). This option clears all previous options.
|
|
T}
|
|
.TE
|
|
.TP
|
|
.B sopass \*(MA
|
|
Sets the SecureOn\[tm] password. The argument to this option must be 6
|
|
bytes in Ethernet MAC hex format (\*(MA).
|
|
.PP
|
|
.BI msglvl \ N
|
|
.br
|
|
.BI msglvl \ type
|
|
.A1 on off
|
|
.RB ...
|
|
.RS
|
|
Sets the driver message type flags by name or number. \fItype\fR
|
|
names the type of message to enable or disable; \fIN\fR specifies the
|
|
new flags numerically. The defined type names and numbers are:
|
|
.TS
|
|
nokeep;
|
|
lB l l.
|
|
drv 0x0001 General driver status
|
|
probe 0x0002 Hardware probing
|
|
link 0x0004 Link state
|
|
timer 0x0008 Periodic status check
|
|
ifdown 0x0010 Interface being brought down
|
|
ifup 0x0020 Interface being brought up
|
|
rx_err 0x0040 Receive error
|
|
tx_err 0x0080 Transmit error
|
|
tx_queued 0x0100 Transmit queueing
|
|
intr 0x0200 Interrupt handling
|
|
tx_done 0x0400 Transmit completion
|
|
rx_status 0x0800 Receive completion
|
|
pktdata 0x1000 Packet contents
|
|
hw 0x2000 Hardware status
|
|
wol 0x4000 Wake-on-LAN status
|
|
.TE
|
|
.PP
|
|
The precise meanings of these type flags differ between drivers.
|
|
.RE
|
|
.PD
|
|
.RE
|
|
.TP
|
|
.B \-n \-u \-\-show\-nfc \-\-show\-ntuple
|
|
Retrieves receive network flow classification options or rules.
|
|
.RS 4
|
|
.TP
|
|
.BR rx\-flow\-hash \ \*(FL
|
|
Retrieves the hash options for the specified flow type.
|
|
.TS
|
|
nokeep;
|
|
lB l.
|
|
tcp4 TCP over IPv4
|
|
udp4 UDP over IPv4
|
|
ah4 IPSEC AH over IPv4
|
|
esp4 IPSEC ESP over IPv4
|
|
sctp4 SCTP over IPv4
|
|
tcp6 TCP over IPv6
|
|
udp6 UDP over IPv6
|
|
ah6 IPSEC AH over IPv6
|
|
esp6 IPSEC ESP over IPv6
|
|
sctp6 SCTP over IPv6
|
|
.TE
|
|
.TP
|
|
.BI rule \ N
|
|
Retrieves the RX classification rule with the given ID.
|
|
.RE
|
|
.PD
|
|
.RE
|
|
.TP
|
|
.B \-N \-U \-\-config\-nfc \-\-config\-ntuple
|
|
Configures receive network flow classification options or rules.
|
|
.RS 4
|
|
.TP
|
|
.BR rx\-flow\-hash \ \*(FL \: \*(HO
|
|
Configures the hash options for the specified flow type.
|
|
.TS
|
|
nokeep;
|
|
lB l.
|
|
m Hash on the Layer 2 destination address of the rx packet.
|
|
v Hash on the VLAN tag of the rx packet.
|
|
t Hash on the Layer 3 protocol field of the rx packet.
|
|
s Hash on the IP source address of the rx packet.
|
|
d Hash on the IP destination address of the rx packet.
|
|
f Hash on bytes 0 and 1 of the Layer 4 header of the rx packet.
|
|
n Hash on bytes 2 and 3 of the Layer 4 header of the rx packet.
|
|
r T{
|
|
Discard all packets of this flow type. When this option is set, all
|
|
other options are ignored.
|
|
T}
|
|
.TE
|
|
.TP
|
|
.B flow\-type \*(NC
|
|
Inserts or updates a classification rule for the specified flow type.
|
|
.TS
|
|
nokeep;
|
|
lB l.
|
|
ether Ethernet
|
|
ip4 Raw IPv4
|
|
tcp4 TCP over IPv4
|
|
udp4 UDP over IPv4
|
|
sctp4 SCTP over IPv4
|
|
ah4 IPSEC AH over IPv4
|
|
esp4 IPSEC ESP over IPv4
|
|
ip6 Raw IPv6
|
|
tcp6 TCP over IPv6
|
|
udp6 UDP over IPv6
|
|
sctp6 SCTP over IPv6
|
|
ah6 IPSEC AH over IPv6
|
|
esp6 IPSEC ESP over IPv6
|
|
.TE
|
|
.PP
|
|
For all fields that allow both a value and a mask to be specified, the
|
|
mask may be specified immediately after the value using the \fBm\fR
|
|
keyword, or separately using the field name keyword with \fB-mask\fR
|
|
appended, e.g. \fBsrc-mask\fR.
|
|
.PD
|
|
.TP
|
|
.BR src \ \*(MA\ [ m \ \*(MA]
|
|
Includes the source MAC address, specified as 6 bytes in hexadecimal
|
|
separated by colons, along with an optional mask. Valid only for
|
|
flow-type ether.
|
|
.TP
|
|
.BR dst \ \*(MA\ [ m \ \*(MA]
|
|
Includes the destination MAC address, specified as 6 bytes in hexadecimal
|
|
separated by colons, along with an optional mask. Valid only for
|
|
flow-type ether.
|
|
.TP
|
|
.BI proto \ N \\fR\ [\\fPm \ N \\fR]\\fP
|
|
Includes the Ethernet protocol number (ethertype) and an optional mask.
|
|
Valid only for flow-type ether.
|
|
.TP
|
|
.BR src\-ip \ \*(PA\ [ m \ \*(PA]
|
|
Specify the source IP address of the incoming packet to match along with
|
|
an optional mask. Valid for all IP based flow-types.
|
|
.TP
|
|
.BR dst\-ip \ \*(PA\ [ m \ \*(PA]
|
|
Specify the destination IP address of the incoming packet to match along
|
|
with an optional mask. Valid for all IP based flow-types.
|
|
.TP
|
|
.BI tos \ N \\fR\ [\\fPm \ N \\fR]\\fP
|
|
Specify the value of the Type of Service field in the incoming packet to
|
|
match along with an optional mask. Applies to all IPv4 based flow-types.
|
|
.TP
|
|
.BI tclass \ N \\fR\ [\\fPm \ N \\fR]\\fP
|
|
Specify the value of the Traffic Class field in the incoming packet to
|
|
match along with an optional mask. Applies to all IPv6 based flow-types.
|
|
.TP
|
|
.BI l4proto \ N \\fR\ [\\fPm \ N \\fR]\\fP
|
|
Includes the layer 4 protocol number and optional mask. Valid only for
|
|
flow-types ip4 and ip6.
|
|
.TP
|
|
.BI src\-port \ N \\fR\ [\\fPm \ N \\fR]\\fP
|
|
Specify the value of the source port field (applicable to TCP/UDP packets)
|
|
in the incoming packet to match along with an optional mask. Valid for
|
|
flow-types ip4, tcp4, udp4, and sctp4 and their IPv6 equivalents.
|
|
.TP
|
|
.BI dst\-port \ N \\fR\ [\\fPm \ N \\fR]\\fP
|
|
Specify the value of the destination port field (applicable to TCP/UDP
|
|
packets)in the incoming packet to match along with an optional mask.
|
|
Valid for flow-types ip4, tcp4, udp4, and sctp4 and their IPv6 equivalents.
|
|
.TP
|
|
.BI spi \ N \\fR\ [\\fPm \ N \\fR]\\fP
|
|
Specify the value of the security parameter index field (applicable to
|
|
AH/ESP packets)in the incoming packet to match along with an optional
|
|
mask. Valid for flow-types ip4, ah4, and esp4 and their IPv6 equivalents.
|
|
.TP
|
|
.BI l4data \ N \\fR\ [\\fPm \ N \\fR]\\fP
|
|
Specify the value of the first 4 Bytes of Layer 4 in the incoming packet to
|
|
match along with an optional mask. Valid for ip4 and ip6 flow-types.
|
|
.TP
|
|
.BI vlan\-etype \ N \\fR\ [\\fPm \ N \\fR]\\fP
|
|
Includes the VLAN tag Ethertype and an optional mask.
|
|
.TP
|
|
.BI vlan \ N \\fR\ [\\fPm \ N \\fR]\\fP
|
|
Includes the VLAN tag and an optional mask.
|
|
.TP
|
|
.BI user\-def \ N \\fR\ [\\fPm \ N \\fR]\\fP
|
|
Includes 64-bits of user-specific data and an optional mask.
|
|
.TP
|
|
.BR dst-mac \ \*(MA\ [ m \ \*(MA]
|
|
Includes the destination MAC address, specified as 6 bytes in hexadecimal
|
|
separated by colons, along with an optional mask.
|
|
Valid for all IP based flow-types.
|
|
.TP
|
|
.BI action \ N
|
|
Specifies the Rx queue to send packets to, or some other action.
|
|
.TS
|
|
nokeep;
|
|
lB l.
|
|
-1 Drop the matched flow
|
|
-2 Use the matched flow as a Wake-on-LAN filter
|
|
0 or higher Rx queue to route the flow
|
|
.TE
|
|
.TP
|
|
.BI context \ N
|
|
Specifies the RSS context to spread packets over multiple queues; either
|
|
.B 0
|
|
for the default RSS context, or a value returned by
|
|
.BI ethtool\ -X\ ... \ context
|
|
.BR new .
|
|
.TP
|
|
.BI vf \ N
|
|
Specifies the Virtual Function the filter applies to. Not compatible with action.
|
|
.TP
|
|
.BI queue \ N
|
|
Specifies the Rx queue to send packets to. Not compatible with action.
|
|
.TP
|
|
.BI loc \ N
|
|
Specify the location/ID to insert the rule. This will overwrite
|
|
any rule present in that location and will not go through any
|
|
of the rule ordering process.
|
|
.TP
|
|
.BI delete \ N
|
|
Deletes the RX classification rule with the given ID.
|
|
.RE
|
|
.TP
|
|
.B \-w \-\-get\-dump
|
|
Retrieves and prints firmware dump for the specified network device.
|
|
By default, it prints out the dump flag, version and length of the dump data.
|
|
When
|
|
.I data
|
|
is indicated, then ethtool fetches the dump data and directs it to a
|
|
.I file.
|
|
.TP
|
|
.B \-W \-\-set\-dump
|
|
Sets the dump flag for the device.
|
|
.TP
|
|
.B \-T \-\-show\-time\-stamping
|
|
Show the device's time stamping capabilities and associated PTP
|
|
hardware clock.
|
|
.TP
|
|
.B \-x \-\-show\-rxfh\-indir \-\-show\-rxfh
|
|
Retrieves the receive flow hash indirection table and/or RSS hash key.
|
|
.TP
|
|
.B \-X \-\-set\-rxfh\-indir \-\-rxfh
|
|
Configures the receive flow hash indirection table and/or RSS hash key.
|
|
.RS 4
|
|
.TP
|
|
.BI hkey
|
|
Sets RSS hash key of the specified network device. RSS hash key should be of device supported length.
|
|
Hash key format must be in xx:yy:zz:aa:bb:cc format meaning both the nibbles of a byte should be mentioned
|
|
even if a nibble is zero.
|
|
.TP
|
|
.BI hfunc
|
|
Sets RSS hash function of the specified network device.
|
|
List of RSS hash functions which kernel supports is shown as a part of the --show-rxfh command output.
|
|
.TP
|
|
.BI start\ N
|
|
For the \fBequal\fR and \fBweight\fR options, sets the starting receive queue
|
|
for spreading flows to \fIN\fR.
|
|
.TP
|
|
.BI equal\ N
|
|
Sets the receive flow hash indirection table to spread flows evenly
|
|
between the first \fIN\fR receive queues.
|
|
.TP
|
|
\fBweight\fR \fIW0 W1\fR ...
|
|
Sets the receive flow hash indirection table to spread flows between
|
|
receive queues according to the given weights. The sum of the weights
|
|
must be non-zero and must not exceed the size of the indirection table.
|
|
.TP
|
|
.BI default
|
|
Sets the receive flow hash indirection table to its default value.
|
|
.TP
|
|
\fBcontext \fICTX\fR | \fBnew\fR
|
|
Specifies an RSS context to act on; either
|
|
.B new
|
|
to allocate a new RSS context, or
|
|
.IR CTX ,
|
|
a value returned by a previous
|
|
.IB ... \ context
|
|
.BR new .
|
|
.TP
|
|
.B delete
|
|
Delete the specified RSS context. May only be used in conjunction with
|
|
.B context
|
|
and a non-zero
|
|
.I CTX
|
|
value.
|
|
.RE
|
|
.TP
|
|
.B \-f \-\-flash
|
|
Write a firmware image to flash or other non-volatile memory on the
|
|
device.
|
|
.RS 4
|
|
.TP
|
|
.I file
|
|
Specifies the filename of the firmware image. The firmware must first
|
|
be installed in one of the directories where the kernel firmware
|
|
loader or firmware agent will look, such as /lib/firmware.
|
|
.TP
|
|
.I N
|
|
If the device stores multiple firmware images in separate regions of
|
|
non-volatile memory, this parameter may be used to specify which
|
|
region is to be written. The default is 0, requesting that all
|
|
regions are written. All other values are driver-dependent.
|
|
.RE
|
|
.PD
|
|
.TP
|
|
.B \-l \-\-show\-channels
|
|
Queries the specified network device for the numbers of channels it has.
|
|
A channel is an IRQ and the set of queues that can trigger that IRQ.
|
|
.TP
|
|
.B \-L \-\-set\-channels
|
|
Changes the numbers of channels of the specified network device.
|
|
.RS 4
|
|
.TP
|
|
.BI rx \ N
|
|
Changes the number of channels with only receive queues.
|
|
.TP
|
|
.BI tx \ N
|
|
Changes the number of channels with only transmit queues.
|
|
.TP
|
|
.BI other \ N
|
|
Changes the number of channels used only for other purposes e.g. link interrupts or SR-IOV co-ordination.
|
|
.TP
|
|
.BI combined \ N
|
|
Changes the number of multi-purpose channels.
|
|
.RE
|
|
.TP
|
|
.B \-m \-\-dump\-module\-eeprom \-\-module\-info
|
|
Retrieves and if possible decodes the EEPROM from plugin modules, e.g SFP+, QSFP.
|
|
If the driver and module support it, the optical diagnostic information is also
|
|
read and decoded.
|
|
.TP
|
|
.B \-\-show\-priv\-flags
|
|
Queries the specified network device for its private flags. The
|
|
names and meanings of private flags (if any) are defined by each
|
|
network device driver.
|
|
.TP
|
|
.B \-\-set\-priv\-flags
|
|
Sets the device's private flags as specified.
|
|
.RS 4
|
|
.PP
|
|
.I flag
|
|
.A1 on off
|
|
Sets the state of the named private flag.
|
|
.RE
|
|
.TP
|
|
.B \-\-show\-eee
|
|
Queries the specified network device for its support of Energy-Efficient
|
|
Ethernet (according to the IEEE 802.3az specifications)
|
|
.TP
|
|
.B \-\-set\-eee
|
|
Sets the device EEE behaviour.
|
|
.RS 4
|
|
.TP
|
|
.A2 eee on off
|
|
Enables/disables the device support of EEE.
|
|
.TP
|
|
.A2 tx-lpi on off
|
|
Determines whether the device should assert its Tx LPI.
|
|
.TP
|
|
.BI advertise \ N
|
|
Sets the speeds for which the device should advertise EEE capabilities.
|
|
Values are as for
|
|
.B \-\-change advertise
|
|
.TP
|
|
.BI tx-timer \ N
|
|
Sets the amount of time the device should stay in idle mode prior to asserting
|
|
its Tx LPI (in microseconds). This has meaning only when Tx LPI is enabled.
|
|
.RE
|
|
.TP
|
|
.B \-\-set\-phy\-tunable
|
|
Sets the PHY tunable parameters.
|
|
.RS 4
|
|
.TP
|
|
.A2 downshift on off
|
|
Specifies whether downshift should be enabled.
|
|
.TS
|
|
nokeep;
|
|
lB l.
|
|
.BI count \ N
|
|
Sets the PHY downshift re-tries count.
|
|
.TE
|
|
.TP
|
|
.A2 fast-link-down on off
|
|
Specifies whether Fast Link Down should be enabled and time until link down (if supported).
|
|
.TS
|
|
nokeep;
|
|
lB l.
|
|
.BI msecs \ N
|
|
Sets the period after which the link is reported as down. Note that the PHY may choose
|
|
the closest supported value. Only on reading back the tunable do you get the actual value.
|
|
.TE
|
|
.TP
|
|
.A2 energy-detect-power-down on off
|
|
Specifies whether Energy Detect Power Down (EDPD) should be enabled (if supported).
|
|
This will put the RX and TX circuit blocks into a low power mode, and the PHY will
|
|
wake up periodically to send link pulses to avoid any lock-up situation with a peer
|
|
PHY that may also have EDPD enabled. By default, this setting will also enable the
|
|
periodic transmission of TX pulses.
|
|
.TS
|
|
nokeep;
|
|
lB l.
|
|
.BI msecs \ N
|
|
Some PHYs support configuration of the wake-up interval to send TX pulses.
|
|
This setting allows the control of this interval, and 0 disables TX pulses
|
|
if the PHY supports this. Disabling TX pulses can create a lock-up situation
|
|
where neither of the PHYs wakes the other one. If unspecified the default
|
|
value (in milliseconds) will be used by the PHY.
|
|
.TE
|
|
.TP
|
|
.PD
|
|
.RE
|
|
.TP
|
|
.B \-\-get\-phy\-tunable
|
|
Gets the PHY tunable parameters.
|
|
.RS 4
|
|
.TP
|
|
.B downshift
|
|
For operation in cabling environments that are incompatible with 1000BASE-T,
|
|
PHY device provides an automatic link speed downshift operation.
|
|
Link speed downshift after N failed 1000BASE-T auto-negotiation attempts.
|
|
Downshift is useful where cable does not have the 4 pairs instance.
|
|
|
|
Gets the PHY downshift count/status.
|
|
.TP
|
|
.B fast\-link\-down
|
|
Depending on the mode it may take 0.5s - 1s until a broken link is reported as down.
|
|
In certain use cases a link-down event needs to be reported as soon as possible.
|
|
Some PHYs support a Fast Link Down Feature and may allow configuration of the delay
|
|
before a broken link is reported as being down.
|
|
|
|
Gets the PHY Fast Link Down status / period.
|
|
.TP
|
|
.B energy\-detect\-power\-down
|
|
Gets the current configured setting for Energy Detect Power Down (if supported).
|
|
|
|
.RE
|
|
.TP
|
|
.B \-\-reset
|
|
Reset hardware components specified by flags and components listed below
|
|
.RS 4
|
|
.TP
|
|
.BI flags \ N
|
|
Resets the components based on direct flags mask
|
|
.TP
|
|
.B mgmt
|
|
Management processor
|
|
.TP
|
|
.B irq
|
|
Interrupt requester
|
|
.TP
|
|
.B dma
|
|
DMA engine
|
|
.TP
|
|
.B filter
|
|
Filtering/flow direction
|
|
.TP
|
|
.B offload
|
|
Protocol offload
|
|
.TP
|
|
.B mac
|
|
Media access controller
|
|
.TP
|
|
.B phy
|
|
Transceiver/PHY
|
|
.TP
|
|
.B ram
|
|
RAM shared between multiple components
|
|
.B ap
|
|
Application Processor
|
|
.TP
|
|
.B dedicated
|
|
All components dedicated to this interface
|
|
.TP
|
|
.B all
|
|
All components used by this interface, even if shared
|
|
.RE
|
|
.TP
|
|
.B \-\-show\-fec
|
|
Queries the specified network device for its support of Forward Error Correction.
|
|
.TP
|
|
.B \-\-set\-fec
|
|
Configures Forward Error Correction for the specified network device.
|
|
|
|
Forward Error Correction modes selected by a user are expected to be persisted
|
|
after any hotplug events. If a module is swapped that does not support the
|
|
current FEC mode, the driver or firmware must take the link down
|
|
administratively and report the problem in the system logs for users to correct.
|
|
.RS 4
|
|
.TP
|
|
.BR encoding\ auto | off | rs | baser \ [...]
|
|
|
|
Sets the FEC encoding for the device. Combinations of options are specified as
|
|
e.g.
|
|
.B encoding auto rs
|
|
; the semantics of such combinations vary between drivers.
|
|
.TS
|
|
nokeep;
|
|
lB l.
|
|
auto Use the driver's default encoding
|
|
off Turn off FEC
|
|
RS Force RS-FEC encoding
|
|
BaseR Force BaseR encoding
|
|
.TE
|
|
.RE
|
|
.TP
|
|
.B \-Q|\-\-per\-queue
|
|
Applies provided sub command to specific queues.
|
|
.RS 4
|
|
.TP
|
|
.B queue_mask %x
|
|
Sets the specific queues which the sub command is applied to.
|
|
If queue_mask is not set, the sub command will be applied to all queues.
|
|
.TP
|
|
.B sub_command
|
|
Sub command to apply. The supported sub commands include --show-coalesce and
|
|
--coalesce.
|
|
.RE
|
|
.SH BUGS
|
|
Not supported (in part or whole) on all network drivers.
|
|
.SH AUTHOR
|
|
.B ethtool
|
|
was written by David Miller.
|
|
|
|
Modifications by
|
|
Jeff Garzik,
|
|
Tim Hockin,
|
|
Jakub Jelinek,
|
|
Andre Majorel,
|
|
Eli Kupermann,
|
|
Scott Feldman,
|
|
Andi Kleen,
|
|
Alexander Duyck,
|
|
Sucheta Chakraborty,
|
|
Jesse Brandeburg,
|
|
Ben Hutchings,
|
|
Scott Branden.
|
|
.SH AVAILABILITY
|
|
.B ethtool
|
|
is available from
|
|
.UR http://www.kernel.org/pub/software/network/ethtool/
|
|
.UE
|