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63 lines
2.0 KiB
63 lines
2.0 KiB
#!/bin/sh |
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# |
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# Format: |
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# bond=<bondname>[:<bondslaves>:[:<options>]] |
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# |
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# bondslaves is a comma-separated list of physical (ethernet) interfaces |
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# options is a comma-separated list on bonding options (modinfo bonding for details) in format compatible with initscripts |
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# if options include multi-valued arp_ip_target option, then its values should be separated by semicolon. |
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# |
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# bond without parameters assumes bond=bond0:eth0,eth1:mode=balance-rr |
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# |
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# return if bond already parsed |
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[ -n "$bondname" ] && return |
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# Check if bond parameter is valid |
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if getarg bond= >/dev/null ; then |
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if [ -z "$netroot" ] ; then |
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die "No netboot configured, bond is invalid" |
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fi |
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fi |
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# We translate list of slaves to space-separated here to mwke it easier to loop over them in ifup |
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# Ditto for bonding options |
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parsebond() { |
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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 bondname bondslaves bondoptions |
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case $# in |
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0) bondname=bond0; bondslaves="eth0 eth1" ;; |
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1) bondname=$1; bondslaves="eth0 eth1" ;; |
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2) bondname=$1; bondslaves=$(echo $2|tr "," " ") ;; |
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3) bondname=$1; bondslaves=$(echo $2|tr "," " "); bondoptions=$(echo $3|tr "," " ") ;; |
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*) die "bond= requires zero to four parameters" ;; |
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esac |
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} |
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unset bondname bondslaves bondoptions |
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# Parse bond for bondname, bondslaves, bondmode and bondoptions |
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if getarg bond >/dev/null; then |
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# Read bond= parameters if they exist |
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bond="$(getarg bond=)" |
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if [ ! "$bond" = "bond" ]; then |
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parsebond "$(getarg bond=)" |
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fi |
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# Simple default bond |
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if [ -z "$bondname" ]; then |
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bondname=bond0 |
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bondslaves="eth0 eth1" |
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fi |
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# Make it suitable for initscripts export |
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bondoptions=$(echo $bondoptions|tr ";" ",") |
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echo "bondname=$bondname" > /tmp/bond.info |
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echo "bondslaves=\"$bondslaves\"" >> /tmp/bond.info |
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echo "bondoptions=\"$bondoptions\"" >> /tmp/bond.info |
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return |
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fi
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