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diff --git a/upstream/fedora-40/man8/mii-diag.8 b/upstream/fedora-40/man8/mii-diag.8 new file mode 100644 index 00000000..52f35d19 --- /dev/null +++ b/upstream/fedora-40/man8/mii-diag.8 @@ -0,0 +1,160 @@ +.\" Hey, EMACS: -*- nroff -*- +.\" $Revision: 1.1 $ $Date: 2003/09/06 17:20:17 $ +.\" First parameter, NAME, should be all caps +.\" Second parameter, SECTION, should be 1-8, maybe w/ subsection +.\" other parameters are allowed: see man(7), man(1) +.TH MII-DIAG 8 "September 9, 2003" "Scyld Beowulf\[tm]" +.\" Please adjust this date whenever revising the manpage. +.\" +.\" Some roff macros, for reference: +.\" .nh disable hyphenation +.\" .hy enable hyphenation +.\" .ad l left justify +.\" .ad b justify to both left and right margins +.\" .nf disable filling +.\" .fi enable filling +.\" .br insert line break +.\" .sp <n> insert n+1 empty lines +.\" for manpage-specific macros, see man(7) +.SH NAME +mii-diag \- Network adapter control and monitoring +.SH SYNOPSIS +.B mii-diag +.RI [ options ] <interface> +.SH DESCRIPTION +This manual page documents briefly the +.B mii-diag +network adapter control and monitoring command. +Addition documentation is available from http://scyld.com/diag/index.html. + +.\" TeX users may be more comfortable with the \fB<whatever>\fP and +.\" \fI<whatever>\fP escape sequences to invoke bold face and italics, +.\" respectively. +.PP +This \fBmii-diag\fP command configures, controls and monitors the +transceiver management registers for network interfaces, and configures +driver operational parameters. For transceiver control \fBmii-diag\fP +uses the Media Independent Interface (MII) standard (thus the command name). +It also has additional Linux-specific controls to communicate parameters +such as message enable settings and buffer sizes to the underlying device +driver. +.PP +The MII standard defines registers that control and report network +transceiver capabilities, link settings and errors. Examples are link +speed, duplex, capabilities advertised to the link partner, status LED +indications and link error counters. + +.SH OPTIONS +The \fBmii-diag\fP command supports both single character and long +option names. Short options use a single dash (´-´) in front of the option +character. For options without parameters, multiple options may be +concatenated after a single dash. Long options are prefixed by two +dashes (´--´), and may be abbreviated with a unique prefix. +A long option may take a parameter of the form --arg=param or --arg param. + +.PP +A summary of options is as follows. + +.TP +.B \-A, --advertise <speed|setting> +.BR +.B \-F, --fixed-speed <speed|setting> + +Speed is one of: 100baseT4, 100baseTx, 100baseTx-FD, 100baseTx-HD, 10baseT, +10baseT-FD, 10baseT-HD. For more precise control an explicit numeric +register setting is also allowed. + + +.TP +.B \-a, \--all-interfaces +Show the status of all interfaces. This option is not recommended with +any other option, especially ones that change settings. + +.TP +.B \-s,\--status +Return exit status 2 if there is no link beat. + +.TP +.B \-D +Increase the debugging level. This may be used to understand the +actions the command is taking. + +.TP +.B \-g, \--read-parameters +Show driver-specific parameters. + +.TP +.B \-G, \--set-parameters value[,value...] +Set driver-specific parameters. +Set a adapter-specific parameters. +Parameters are comma separated, with missing elements retaining the +existing value. + +.TP +.B \-v +Increase the verbosity level. Additional "-v" options increase the +level further. + +.TP +.B \-V +Show the program version information. + +.TP +.B \-w, \--watch +Continuously monitor the transceiver and report changes. + +.TP +.B \-? +Emit usage information. + +.SH DESCRIPTION + +.PP +Calling the command with just the interface name +produces extensive output describing the transceiver +capabilities, configuration and current status. + +.PP +The '--monitor' option allows scripting link beat changes. +.PP +This option is similar to --watch, but with lower overhead and simplified +output. It polls the interface only once a second and the output format +is a single line per link change with three fixed words + <unknown|down||negotiating|up> <STATUS> <PARTNER-CAP> +.PP +Example output: mii-diag --monitor eth0 + down 0x7809 0x0000 + negotiating 0x7829 0x45e1 + up 0x782d 0x45e1 + down 0x7809 0x0000 + +.PP +This may be used as + mii-diag --monitor eth0 | + while read linkstatus bmsr linkpar; do + case $linkstatus in + up) ifup eth0 ;; + down) ifdown eth0 ;; + esac + done + +.PP +It may be useful to shorten the DHCP client daemon timeout if it does +not receive an address by adding the following setting to +/etc/sysconfig/network: +DHCPCDARGS="-t 3" + +.SH SEE ALSO +.BR ether-wake (8), net-diag (8), mii-tool (8). +.br +Addition documentation is available from http://scyld.com/diag/index.html. + +.SH KNOWN BUGS +The --all-interfaces option is quirky. There are very few settings that +are usefully applied to all interfaces. + +.SH AUTHOR +The manual pages, diagnostic commands, and many of the underlying Linux +network drivers were written by Donald Becker for the Scyld +Beowulf(\*(Tm) cluster system. + |