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56 lines
1.6 KiB
Bash
56 lines
1.6 KiB
Bash
#!/bin/sh
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ETHTOOL=/sbin/ethtool
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test -x $ETHTOOL || exit 0
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[ "$IFACE" != "lo" ] || exit 0
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# Find settings with a given prefix and print them as they appeared in
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# /etc/network/interfaces, only with the prefix removed.
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# This actually prints each name and value on a separate line, but that
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# doesn't matter to the shell.
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gather_settings () {
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set | sed -n "
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/^IF_$1[A-Za-z0-9_]*=/ {
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h; # hold line
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s/^IF_$1//; s/=.*//; s/_/-/g; # get name without prefix
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y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/; # lower-case
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p;
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g; # restore line
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s/^[^=]*=//; s/^'\(.*\)'/\1/; # get value
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p;
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}"
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}
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# Gather together the mixed bag of settings applied with -s/--change
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SETTINGS="\
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${IF_LINK_SPEED:+ speed $IF_LINK_SPEED}\
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${IF_LINK_DUPLEX:+ duplex $IF_LINK_DUPLEX}\
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"
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# WOL has an optional pass-key
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set -- $IF_ETHERNET_WOL
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SETTINGS="$SETTINGS${1:+ wol $1}${2:+ sopass $2}"
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# Autonegotiation can be on|off or an advertising mask
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case "$IF_ETHERNET_AUTONEG" in
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'') ;;
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on|off) SETTINGS="$SETTINGS autoneg $IF_ETHERNET_AUTONEG" ;;
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*) SETTINGS="$SETTINGS autoneg on advertise $IF_ETHERNET_AUTONEG" ;;
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esac
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[ -z "$SETTINGS" ] || $ETHTOOL --change "$IFACE" $SETTINGS
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SETTINGS="$(gather_settings ETHERNET_PAUSE_)"
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[ -z "$SETTINGS" ] || $ETHTOOL --pause "$IFACE" $SETTINGS
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SETTINGS="$(gather_settings HARDWARE_IRQ_COALESCE_)"
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[ -z "$SETTINGS" ] || $ETHTOOL --coalesce "$IFACE" $SETTINGS
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SETTINGS="$(gather_settings HARDWARE_DMA_RING_)"
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[ -z "$SETTINGS" ] || $ETHTOOL --set-ring "$IFACE" $SETTINGS
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SETTINGS="$(gather_settings OFFLOAD_)"
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[ -z "$SETTINGS" ] || $ETHTOOL --offload "$IFACE" $SETTINGS
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