diff options
author | jow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-05-28 00:27:01 +0000 |
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committer | jow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-05-28 00:27:01 +0000 |
commit | b4aff29b8fe5a71063c358b2b6f38c0e0c6fa83c (patch) | |
tree | 3cc2f7edd93d6197cb89c36e4b5d7a45d3ac1195 /package/6in4 | |
parent | 526fb3c824f6863be3d39ac94146f74edc434fa4 (diff) |
[package] add 6in4 - support for static IPv6-in-IPv4 tunnels through /etc/config/network
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21589 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/6in4')
-rw-r--r-- | package/6in4/Makefile | 41 | ||||
-rwxr-xr-x | package/6in4/files/6in4.sh | 79 |
2 files changed, 120 insertions, 0 deletions
diff --git a/package/6in4/Makefile b/package/6in4/Makefile new file mode 100644 index 0000000000..725c283ded --- /dev/null +++ b/package/6in4/Makefile @@ -0,0 +1,41 @@ +# +# Copyright (C) 2010 OpenWrt.org +# +# This is free software, licensed under the GNU General Public License v2. +# See /LICENSE for more information. +# + +include $(TOPDIR)/rules.mk + +PKG_NAME:=6in4 +PKG_VERSION:=1 +PKG_RELEASE:=1 + +include $(INCLUDE_DIR)/package.mk + +define Package/6in4 + SECTION:=ipv6 + CATEGORY:=IPv6 + DEPENDS:=+ip +kmod-ipv6 +kmod-sit + TITLE:=IPv6-in-IPv4 configuration support + PKGARCH:=all +endef + +define Package/6in4/description +Provides support for 6in4 tunnels in /etc/config/network. +Refer to http://wiki.openwrt.org/doc/uci/network for +configuration details. +endef + +define Build/Compile +endef + +define Build/Configure +endef + +define Package/6in4/install + $(INSTALL_DIR) $(1)/lib/network + $(INSTALL_DATA) ./files/6in4.sh $(1)/lib/network/6in4.sh +endef + +$(eval $(call BuildPackage,6in4)) diff --git a/package/6in4/files/6in4.sh b/package/6in4/files/6in4.sh new file mode 100755 index 0000000000..68a00edd86 --- /dev/null +++ b/package/6in4/files/6in4.sh @@ -0,0 +1,79 @@ +# 6in4.sh - IPv6-in-IPv4 tunnel backend +# Copyright (c) 2010 OpenWrt.org + +# Hook into scan_interfaces() to synthesize a .device option +# This is needed for /sbin/ifup to properly dispatch control +# to setup_interface_6in4() even if no .ifname is set in +# the configuration. +scan_6in4() { + config_set "$1" device "6in4-$1" +} + +coldplug_interface_6in4() { + setup_interface_6in4 "6in4-$1" "$1" +} + +setup_interface_6in4() { + local iface="$1" + local cfg="$2" + local link="6in4-$cfg" + + local local4 + config_get local4 "$cfg" ipaddr + + local remote4 + config_get remote4 "$cfg" peeraddr + + local local6 + config_get local6 "$cfg" ip6addr + + local mtu + config_get mtu "$cfg" mtu + + local ttl + config_get ttl "$cfg" ttl + + local defaultroute + config_get_bool defaultroute "$cfg" defaultroute 1 + + + # creating the tunnel below will trigger a net subsystem event + # prevent it from touching or iface by disabling .auto here + uci_set_state network "$cfg" ifname $link + uci_set_state network "$cfg" auto 0 + + ip tunnel add $link mode sit remote $remote4 local $local4 ttl 255 + ip link set $link up + ip link set mtu ${mtu:-1280} dev $link + ip tunnel change $link ttl ${ttl:-64} + ip addr add $local6 dev $link + + uci_set_state network "$cfg" ip6addr $local6 + + [ "$defaultroute" = 1 ] && { + ip -6 route add ::/0 dev $link + uci_set_state network "$cfg" defaultroute 1 + } + + env -i ACTION="ifup" INTERFACE="$cfg" DEVICE="$link" PROTO=6in4 /sbin/hotplug-call "iface" & +} + +stop_interface_6in4() { + local cfg="$1" + local link="6in4-$cfg" + + local local6=$(uci_get_state network "$cfg" ip6addr) + local defaultroute=$(uci_get_state network "$cfg" defaultroute) + + grep -qs "^ *$link:" /proc/net/dev && { + env -i ACTION="ifdown" INTERFACE="$cfg" DEVICE="$link" PROTO=6in4 /sbin/hotplug-call "iface" & + + [ "$defaultroute" = "1" ] && { + ip -6 route del ::/0 dev $link + } + + ip addr del $local6 dev $link + ip link set $link down + ip tunnel del $link + } +} |