36 lines
833 B
Bash
Executable file
36 lines
833 B
Bash
Executable file
#!/bin/sh
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#
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# Maximilian Wilhelm <max@sdn.clinic>
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# -- Thu, 17 Dec 2020 03:02:10 +0100
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#
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# This executor is responsible for setting up MPLS decapsulation on a given interface.
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#
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# See interfaces-mpls(5) for a list of supported options.
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#
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yesno() {
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case "$1" in
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yes|1) echo 1 ;;
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*) echo 0 ;;
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esac
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}
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[ -z "$VERBOSE" ] || set -x
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# We only operate in pre-up phase
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[ "$PHASE" != "pre-up" ] && exit 0
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if [ "$IF_MPLS_ENABLE" ]; then
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value=$(yesno $IF_MPLS_ENABLE)
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# Load mpls module if we should enable MPLS decap on (at least) one interface
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if [ "${value}" = 1 ]; then
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${MOCK} modprobe mpls_iptunnel
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fi
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# If MPLS support isn't loaded and we are not MOCKing, carry on
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if [ -f "/proc/sys/net/mpls/conf/$IFACE/input" -o "${MOCK}" ]; then
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${MOCK} /bin/sh -c "echo ${value} > /proc/sys/net/mpls/conf/$IFACE/input"
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fi
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fi
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