SVN-Revision: 21589master
parent
c0820d3261
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#
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# Copyright (C) 2010 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk |
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PKG_NAME:=6in4
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PKG_VERSION:=1
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PKG_RELEASE:=1
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include $(INCLUDE_DIR)/package.mk |
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define Package/6in4 |
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SECTION:=ipv6
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CATEGORY:=IPv6
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DEPENDS:=+ip +kmod-ipv6 +kmod-sit
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TITLE:=IPv6-in-IPv4 configuration support
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PKGARCH:=all
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endef |
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define Package/6in4/description |
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Provides support for 6in4 tunnels in /etc/config/network. |
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Refer to http://wiki.openwrt.org/doc/uci/network for |
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configuration details. |
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endef |
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define Build/Compile |
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endef |
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define Build/Configure |
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endef |
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define Package/6in4/install |
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$(INSTALL_DIR) $(1)/lib/network
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$(INSTALL_DATA) ./files/6in4.sh $(1)/lib/network/6in4.sh
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endef |
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$(eval $(call BuildPackage,6in4)) |
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# 6in4.sh - IPv6-in-IPv4 tunnel backend |
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# Copyright (c) 2010 OpenWrt.org |
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# Hook into scan_interfaces() to synthesize a .device option |
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# This is needed for /sbin/ifup to properly dispatch control |
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# to setup_interface_6in4() even if no .ifname is set in |
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# the configuration. |
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scan_6in4() { |
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config_set "$1" device "6in4-$1" |
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} |
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coldplug_interface_6in4() { |
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setup_interface_6in4 "6in4-$1" "$1" |
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} |
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setup_interface_6in4() { |
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local iface="$1" |
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local cfg="$2" |
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local link="6in4-$cfg" |
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local local4 |
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config_get local4 "$cfg" ipaddr |
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local remote4 |
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config_get remote4 "$cfg" peeraddr |
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local local6 |
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config_get local6 "$cfg" ip6addr |
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local mtu |
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config_get mtu "$cfg" mtu |
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local ttl |
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config_get ttl "$cfg" ttl |
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local defaultroute |
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config_get_bool defaultroute "$cfg" defaultroute 1 |
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# creating the tunnel below will trigger a net subsystem event |
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# prevent it from touching or iface by disabling .auto here |
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uci_set_state network "$cfg" ifname $link |
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uci_set_state network "$cfg" auto 0 |
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ip tunnel add $link mode sit remote $remote4 local $local4 ttl 255 |
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ip link set $link up |
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ip link set mtu ${mtu:-1280} dev $link |
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ip tunnel change $link ttl ${ttl:-64} |
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ip addr add $local6 dev $link |
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uci_set_state network "$cfg" ip6addr $local6 |
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[ "$defaultroute" = 1 ] && { |
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ip -6 route add ::/0 dev $link |
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uci_set_state network "$cfg" defaultroute 1 |
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} |
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env -i ACTION="ifup" INTERFACE="$cfg" DEVICE="$link" PROTO=6in4 /sbin/hotplug-call "iface" & |
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} |
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stop_interface_6in4() { |
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local cfg="$1" |
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local link="6in4-$cfg" |
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local local6=$(uci_get_state network "$cfg" ip6addr) |
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local defaultroute=$(uci_get_state network "$cfg" defaultroute) |
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grep -qs "^ *$link:" /proc/net/dev && { |
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env -i ACTION="ifdown" INTERFACE="$cfg" DEVICE="$link" PROTO=6in4 /sbin/hotplug-call "iface" & |
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[ "$defaultroute" = "1" ] && { |
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ip -6 route del ::/0 dev $link |
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} |
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ip addr del $local6 dev $link |
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ip link set $link down |
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ip tunnel del $link |
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} |
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} |
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