Steven Barth 5451bd5963 firewall: don't reload if there were no address or data changes
This fixes packet loss due to reloading firewall every minute with IPv6
implementation of certain ISPs.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39332 3c298f89-4303-0410-b956-a3cf2f4a3e73
2014-01-19 17:35:33 +00:00

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#!/bin/sh
[ "$ACTION" = ifup -o "$ACTION" = ifupdate ] || exit 0
[ "$ACTION" = ifupdate -a -z "$IFUPDATE_ADDRESSES" -a -z "$IFUPDATE_DATA" ] && exit 0
/etc/init.d/firewall enabled || exit 0
fw3 -q network "$INTERFACE" >/dev/null || exit 0
logger -t firewall "Reloading firewall due to $ACTION of $INTERFACE ($DEVICE)"
fw3 -q reload