From a1e89c2ef68e5182a61afa95bce22282332598b6 Mon Sep 17 00:00:00 2001
From: cyrus <cyrus@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Mon, 13 May 2013 17:12:30 +0000
Subject: netifd: added support for setting up 6rd from DHCP

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36626 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 .../config/netifd/files/lib/netifd/dhcp.script     | 24 ++++++++++++++++++++++
 .../config/netifd/files/lib/netifd/proto/dhcp.sh   |  6 ++++--
 2 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/package/network/config/netifd/files/lib/netifd/dhcp.script b/package/network/config/netifd/files/lib/netifd/dhcp.script
index d26db0f4d..b365a5352 100755
--- a/package/network/config/netifd/files/lib/netifd/dhcp.script
+++ b/package/network/config/netifd/files/lib/netifd/dhcp.script
@@ -35,6 +35,30 @@ setup_interface () {
 	done
 	proto_send_update "$INTERFACE"
 
+	if [ -n "$IFACE6RD" -a -n "$ip6rd" ]; then
+		local v4mask="${ip6rd%% *}"
+		ip6rd="${ip6rd#* }"
+		local ip6rdprefixlen="${ip6rd%% *}"
+		ip6rd="${ip6rd#* }"
+		local ip6rdprefix="${ip6rd%% *}"
+		ip6rd="${ip6rd#* }"
+		local ip6rdbr="${ip6rd%% *}"
+
+uci -q batch <<-EOF >/dev/null
+set network.$IFACE6RD.proto=6rd
+set network.$IFACE6RD.auto=0
+set network.$IFACE6RD.peeraddr=$ip6rdbr
+set network.$IFACE6RD.ip4prefixlen=$v4mask
+set network.$IFACE6RD.ip6prefix=$ip6rdprefix
+set network.$IFCAE6RD.ip6prefixlen=$ip6rdprefixlen
+commit network
+EOF
+
+		ifdown "$IFACE6RD"
+		/etc/init.d/network reload
+		ifup "$IFACE6RD"
+	fi
+
 	# TODO
 	# [ -n "$ntpsrv" ] && 	change_state network "$ifc" lease_ntpsrv "$ntpsrv"
 	# [ -n "$timesvr" ] && 	change_state network "$ifc" lease_timesrv "$timesvr"
diff --git a/package/network/config/netifd/files/lib/netifd/proto/dhcp.sh b/package/network/config/netifd/files/lib/netifd/proto/dhcp.sh
index 38308785d..a270c681d 100755
--- a/package/network/config/netifd/files/lib/netifd/proto/dhcp.sh
+++ b/package/network/config/netifd/files/lib/netifd/proto/dhcp.sh
@@ -12,14 +12,15 @@ proto_dhcp_init_config() {
 	proto_config_add_string "vendorid"
 	proto_config_add_boolean "broadcast"
 	proto_config_add_string "reqopts"
+	proto_config_add_string "iface6rd"
 }
 
 proto_dhcp_setup() {
 	local config="$1"
 	local iface="$2"
 
-	local ipaddr hostname clientid vendorid broadcast reqopts
-	json_get_vars ipaddr hostname clientid vendorid broadcast reqopts
+	local ipaddr hostname clientid vendorid broadcast reqopts iface6rd
+	json_get_vars ipaddr hostname clientid vendorid broadcast reqopts iface6rd
 
 	local opt dhcpopts
 	for opt in $reqopts; do
@@ -28,6 +29,7 @@ proto_dhcp_setup() {
 
 	[ "$broadcast" = 1 ] && broadcast="-B" || broadcast=
 	[ -n "$clientid" ] && clientid="-x 0x3d:${clientid//:/}" || clientid="-C"
+	[ -n "$iface6rd" ] && proto_export "IFACE6RD=$iface6rd"
 
 	proto_export "INTERFACE=$config"
 	proto_run_command "$config" udhcpc \
-- 
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