From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Sun, 21 Jun 2015 05:48:45 +0200
Subject: Revert "ipv6: remove now unneeded source-dest-routing workarounds"

This reverts commit 31214c38c8dd0f70366b523f9b0335145b9386bd.

diff --git a/package/network/ipv6/6in4/Makefile b/package/network/ipv6/6in4/Makefile
index b7c2da7..21e69e6 100644
--- a/package/network/ipv6/6in4/Makefile
+++ b/package/network/ipv6/6in4/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=6in4
 PKG_VERSION:=21
-PKG_RELEASE:=2
+PKG_RELEASE:=1
 PKG_LICENSE:=GPL-2.0
 
 include $(INCLUDE_DIR)/package.mk
diff --git a/package/network/ipv6/6in4/files/6in4.sh b/package/network/ipv6/6in4/files/6in4.sh
index af2ddca..0289df3 100755
--- a/package/network/ipv6/6in4/files/6in4.sh
+++ b/package/network/ipv6/6in4/files/6in4.sh
@@ -27,8 +27,8 @@ proto_6in4_setup() {
 	local iface="$2"
 	local link="6in4-$cfg"
 
-	local mtu ttl tos ipaddr peeraddr ip6addr ip6prefix tunnelid username password updatekey
-	json_get_vars mtu ttl tos ipaddr peeraddr ip6addr ip6prefix tunnelid username password updatekey
+	local mtu ttl tos ipaddr peeraddr ip6addr ip6prefix tunnelid username password updatekey sourcerouting
+	json_get_vars mtu ttl tos ipaddr peeraddr ip6addr ip6prefix tunnelid username password updatekey sourcerouting
 
 	[ -z "$peeraddr" ] && {
 		proto_notify_error "$cfg" "MISSING_ADDRESS"
@@ -48,17 +48,21 @@ proto_6in4_setup() {
 
 	proto_init_update "$link" 1
 
+	local source=""
+	[ "$sourcerouting" != "0" ] && source="::/128"
+	proto_add_ipv6_route "::" 0 "" "" "" "$source"
+
 	[ -n "$ip6addr" ] && {
 		local local6="${ip6addr%%/*}"
 		local mask6="${ip6addr##*/}"
 		[[ "$local6" = "$mask6" ]] && mask6=
 		proto_add_ipv6_address "$local6" "$mask6"
-		proto_add_ipv6_route "::" 0 "" "" "" "$local6/$mask6"
+		[ "$sourcerouting" != "0" ] && proto_add_ipv6_route "::" 0 "" "" "" "$local6/$mask6"
 	}
 
 	[ -n "$ip6prefix" ] && {
 		proto_add_ipv6_prefix "$ip6prefix"
-		proto_add_ipv6_route "::" 0 "" "" "" "$ip6prefix"
+		[ "$sourcerouting" != "0" ] && proto_add_ipv6_route "::" 0 "" "" "" "$ip6prefix"
 	}
 
 	proto_add_tunnel
@@ -142,6 +146,7 @@ proto_6in4_init_config() {
 	proto_config_add_int "mtu"
 	proto_config_add_int "ttl"
 	proto_config_add_string "tos"
+	proto_config_add_boolean "sourcerouting"
 }
 
 [ -n "$INCLUDE_ONLY" ] || {
diff --git a/package/network/ipv6/6rd/Makefile b/package/network/ipv6/6rd/Makefile
index cde7117..f9b7eae 100644
--- a/package/network/ipv6/6rd/Makefile
+++ b/package/network/ipv6/6rd/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=6rd
 PKG_VERSION:=9
-PKG_RELEASE:=2
+PKG_RELEASE:=1
 PKG_LICENSE:=GPL-2.0
 
 include $(INCLUDE_DIR)/package.mk
diff --git a/package/network/ipv6/6rd/files/6rd.sh b/package/network/ipv6/6rd/files/6rd.sh
index 6c68b3b..b485136 100644
--- a/package/network/ipv6/6rd/files/6rd.sh
+++ b/package/network/ipv6/6rd/files/6rd.sh
@@ -14,8 +14,8 @@ proto_6rd_setup() {
 	local iface="$2"
 	local link="6rd-$cfg"
 
-	local mtu df ttl tos ipaddr peeraddr ip6prefix ip6prefixlen ip4prefixlen tunlink zone
-	json_get_vars mtu df ttl tos ipaddr peeraddr ip6prefix ip6prefixlen ip4prefixlen tunlink zone
+	local mtu df ttl tos ipaddr peeraddr ip6prefix ip6prefixlen ip4prefixlen tunlink sourcerouting zone
+	json_get_vars mtu df ttl tos ipaddr peeraddr ip6prefix ip6prefixlen ip4prefixlen tunlink sourcerouting zone
 
 	[ -z "$ip6prefix" -o -z "$peeraddr" ] && {
 		proto_notify_error "$cfg" "MISSING_ADDRESS"
@@ -54,8 +54,13 @@ proto_6rd_setup() {
 	proto_add_ipv6_address "$ip6addr" "$ip6prefixlen"
 	proto_add_ipv6_prefix "$ip6lanprefix"
 
-	proto_add_ipv6_route "::" 0 "::$peeraddr" 4096 "" "$ip6addr/$ip6prefixlen"
-	proto_add_ipv6_route "::" 0 "::$peeraddr" 4096 "" "$ip6lanprefix"
+	if [ "$sourcerouting" != "0" ]; then
+		proto_add_ipv6_route "::" 0 "::$peeraddr" 4096 "" "::/128"
+		proto_add_ipv6_route "::" 0 "::$peeraddr" 4096 "" "$ip6addr/$ip6prefixlen"
+		proto_add_ipv6_route "::" 0 "::$peeraddr" 4096 "" "$ip6lanprefix"
+	else
+		proto_add_ipv6_route "::" 0 "::$peeraddr" 4096
+	fi
 
 	proto_add_tunnel
 	json_add_string mode sit
diff --git a/package/network/ipv6/6to4/Makefile b/package/network/ipv6/6to4/Makefile
index fcec90d..6be2cc5 100644
--- a/package/network/ipv6/6to4/Makefile
+++ b/package/network/ipv6/6to4/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=6to4
 PKG_VERSION:=12
-PKG_RELEASE:=2
+PKG_RELEASE:=1
 PKG_LICENSE:=GPL-2.0
 
 include $(INCLUDE_DIR)/package.mk
diff --git a/package/network/ipv6/6to4/files/6to4.sh b/package/network/ipv6/6to4/files/6to4.sh
index 57efc52..ce1de53 100755
--- a/package/network/ipv6/6to4/files/6to4.sh
+++ b/package/network/ipv6/6to4/files/6to4.sh
@@ -34,8 +34,8 @@ proto_6to4_setup() {
 	local iface="$2"
 	local link="6to4-$cfg"
 
-	local mtu ttl tos ipaddr
-	json_get_vars mtu ttl tos ipaddr
+	local mtu ttl tos ipaddr sourcerouting
+	json_get_vars mtu ttl tos ipaddr sourcerouting
 
 	( proto_add_host_dependency "$cfg" 0.0.0.0 )
 
@@ -65,8 +65,13 @@ proto_6to4_setup() {
 	proto_add_ipv6_address "$local6" 16
 	proto_add_ipv6_prefix "$prefix6::/48"
 
-	proto_add_ipv6_route "::" 0 "::192.88.99.1" "" "" "$local6/16"
-	proto_add_ipv6_route "::" 0 "::192.88.99.1" "" "" "$prefix6::/48"
+	if [ "$sourcerouting" != "0" ]; then
+		proto_add_ipv6_route "::" 0 "::192.88.99.1" "" "" "::/128"
+		proto_add_ipv6_route "::" 0 "::192.88.99.1" "" "" "$local6/16"
+		proto_add_ipv6_route "::" 0 "::192.88.99.1" "" "" "$prefix6::/48"
+	else
+		proto_add_ipv6_route "::" 0 "::192.88.99.1"
+	fi
 
 	proto_add_tunnel
 	json_add_string mode sit
diff --git a/package/network/ipv6/odhcp6c/Makefile b/package/network/ipv6/odhcp6c/Makefile
index a90f5ce..ddd6917 100644
--- a/package/network/ipv6/odhcp6c/Makefile
+++ b/package/network/ipv6/odhcp6c/Makefile
@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=odhcp6c
-PKG_VERSION:=2015-06-09
+PKG_VERSION:=2015-05-16
 PKG_RELEASE=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
diff --git a/package/network/ipv6/odhcp6c/files/dhcpv6.script b/package/network/ipv6/odhcp6c/files/dhcpv6.script
index 650c9b2..6cd59fa 100755
--- a/package/network/ipv6/odhcp6c/files/dhcpv6.script
+++ b/package/network/ipv6/odhcp6c/files/dhcpv6.script
@@ -86,9 +86,10 @@ setup_interface () {
 		entry="${entry#*,}"
 		local metric="${entry%%,*}"
 
-		if [ -z "$gw" ]; then
+		if [ -z "$SOURCE_ROUTING" -o -z "$gw" ]; then
 			proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid"
 		else
+			proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid" "::/128"
 			for prefix in $PREFIXES $ADDRESSES; do
 				local paddr="${prefix%%,*}"
 				proto_add_ipv6_route "$addr" "$mask" "$gw" "$metric" "$valid" "$paddr"
diff --git a/package/network/ipv6/odhcp6c/files/dhcpv6.sh b/package/network/ipv6/odhcp6c/files/dhcpv6.sh
index adcb100..9fb6fa3 100755
--- a/package/network/ipv6/odhcp6c/files/dhcpv6.sh
+++ b/package/network/ipv6/odhcp6c/files/dhcpv6.sh
@@ -23,6 +23,7 @@ proto_dhcpv6_init_config() {
 	proto_config_add_string zone_464xlat
 	proto_config_add_string zone
 	proto_config_add_string 'ifaceid:ip6addr'
+	proto_config_add_string 'sourcerouting:bool'
 	proto_config_add_string "userclass"
 	proto_config_add_string "vendorclass"
 	proto_config_add_boolean delegate
@@ -34,8 +35,8 @@ proto_dhcpv6_setup() {
 	local config="$1"
 	local iface="$2"
 
-	local reqaddress reqprefix clientid reqopts noslaaconly forceprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes
-	json_get_vars reqaddress reqprefix clientid reqopts noslaaconly forceprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes
+	local reqaddress reqprefix clientid reqopts noslaaconly forceprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid sourcerouting userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes
+	json_get_vars reqaddress reqprefix clientid reqopts noslaaconly forceprefix norelease ip6prefix iface_dslite iface_map iface_464xlat ifaceid sourcerouting userclass vendorclass delegate zone_dslite zone_map zone_464xlat zone soltimeout fakeroutes
 
 
 	# Configure
@@ -69,6 +70,7 @@ proto_dhcpv6_setup() {
 	[ -n "$iface_dslite" ] && proto_export "IFACE_DSLITE=$iface_dslite"
 	[ -n "$iface_map" ] && proto_export "IFACE_MAP=$iface_map"
 	[ -n "$iface_464xlat" ] && proto_export "IFACE_464XLAT=$iface_464xlat"
+	[ "$sourcerouting" != "0" ] && proto_export "SOURCE_ROUTING=1"
 	[ "$delegate" = "0" ] && proto_export "IFACE_DSLITE_DELEGATE=0"
 	[ "$delegate" = "0" ] && proto_export "IFACE_MAP_DELEGATE=0"
 	[ -n "$zone_dslite" ] && proto_export "ZONE_DSLITE=$zone_dslite"