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63 lines
1.5 KiB
63 lines
1.5 KiB
#!/bin/sh |
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# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- |
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# ex: ts=8 sw=4 sts=4 et filetype=sh |
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# |
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# Format: |
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# bridge=<bridgename>:<ethname> |
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# |
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# bridge without parameters assumes bridge=br0:eth0 |
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# |
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# return if bridge already parsed |
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[ -n "$bridgename" ] && return |
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# Check if bridge parameter is valid |
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if getarg bridge= >/dev/null ; then |
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if [ -z "$netroot" ] ; then |
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die "No netboot configured, bridge is invalid" |
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fi |
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command -v brctl >/dev/null 2>&1 || die "No 'brctl' installed" |
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fi |
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parsebridge() { |
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local v=${1}: |
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set -- |
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while [ -n "$v" ]; do |
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set -- "$@" "${v%%:*}" |
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v=${v#*:} |
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done |
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unset bridgename ethname |
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case $# in |
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0) bridgename=br0; ethname=$iface ;; |
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1) die "bridge= requires two parameters" ;; |
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2) bridgename=$1; ethname=$2 ;; |
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*) die "bridge= requires two parameters" ;; |
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esac |
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} |
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unset bridgename ethname |
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iface=eth0 |
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if [ -e /tmp/bond.info ]; then |
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. /tmp/bond.info |
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if [ -n "$bondname" ] ; then |
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iface=$bondname |
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fi |
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fi |
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# Parse bridge for bridgename and ethname |
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if bridge="$(getarg bridge)"; then |
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# Read bridge= parameters if they exist |
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if [ -n "$bridge" ]; then |
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parsebridge $bridge |
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fi |
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# Simple default bridge |
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if [ -z "$bridgename" ]; then |
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bridgename=br0 |
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ethname=$iface |
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fi |
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echo "bridgename=$bridgename" > /tmp/bridge.info |
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echo "ethname=$ethname" >> /tmp/bridge.info |
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return |
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fi
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