From: Nils Schneider <nils@nilsschneider.net>
Date: Thu, 3 Sep 2015 18:07:17 +0200
Subject: odhcp6c: minor fixes

Better synchronize RA & DHCPv6 events
Accumulate some events to avoid flooding
Restart softwires for address and prefix changes

Signed-off-by: Steven Barth <steven@midlink.org>

diff --git a/package/network/ipv6/odhcp6c/Makefile b/package/network/ipv6/odhcp6c/Makefile
index 75de54c..aa81e02 100644
--- a/package/network/ipv6/odhcp6c/Makefile
+++ b/package/network/ipv6/odhcp6c/Makefile
@@ -8,14 +8,14 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=odhcp6c
-PKG_VERSION:=2015-07-18
+PKG_VERSION:=2015-07-29
 PKG_RELEASE=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
 PKG_SOURCE_URL:=https://github.com/sbyx/odhcp6c.git
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_VERSION:=024525798c5f6aba3af9b2ef7b3af2f3c14f1db8
+PKG_SOURCE_VERSION:=dc186d6d2b0dd4ad23ca5fc69c00e81f796ff6d9
 PKG_MAINTAINER:=Steven Barth <steven@midlink.org>
 PKG_LICENSE:=GPL-2.0
 
diff --git a/package/network/ipv6/odhcp6c/files/dhcpv6.script b/package/network/ipv6/odhcp6c/files/dhcpv6.script
index 33f6d9b..677d35f 100755
--- a/package/network/ipv6/odhcp6c/files/dhcpv6.script
+++ b/package/network/ipv6/odhcp6c/files/dhcpv6.script
@@ -5,6 +5,8 @@
 
 setup_interface () {
 	local device="$1"
+	local prefsig=""
+	local addrsig=""
 	proto_init_update "*" 1
 
 	# Merge RA-DNS
@@ -34,6 +36,7 @@ setup_interface () {
 
 	for prefix in $PREFIXES; do
 		proto_add_ipv6_prefix "$prefix"
+		prefsig="$prefsig ${prefix%%,*}"
 		local entry="${prefix#*/}"
 		entry="${entry#*,}"
 		entry="${entry#*,}"
@@ -68,6 +71,7 @@ setup_interface () {
 		local valid="${entry%%,*}"
 
 		proto_add_ipv6_address "$addr" "$mask" "$preferred" "$valid" 1
+		addrsig="$addrsig $addr/$mask"
 
 		if [ -z "$RA_ADDRESSES" -a -z "$RA_ROUTES" -a \
 				-z "$RA_DNS" -a "$FAKE_ROUTES" = 1 ]; then
@@ -136,6 +140,8 @@ setup_interface () {
 		json_add_string ifname "@$INTERFACE"
 		json_add_string proto map
 		json_add_string type "$MAPTYPE"
+		json_add_string _prefsig "$prefsig"
+		[ "$MAPTYPE" = lw4o6 ] && json_add_string _addrsig "$addrsig"
 		json_add_string rule "$MAPRULE"
 		json_add_string tunlink "$INTERFACE"
 		[ -n "$ZONE_MAP" ] || ZONE_MAP=$ZONE
@@ -163,6 +169,7 @@ setup_interface () {
 		json_add_string ifname "@$INTERFACE"
 		json_add_string proto "464xlat"
 		json_add_string tunlink "$INTERFACE"
+		json_add_string _addrsig "$addrsig"
 		[ -n "$ZONE_464XLAT" ] || ZONE_464XLAT=$ZONE
 		[ -n "$ZONE_464XLAT" ] && json_add_string zone "$ZONE_464XLAT"
 		[ -n "$IFACE_464XLAT_DELEGATE" ] && json_add_boolean delegate "$IFACE_464XLAT_DELEGATE"