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IPIP: IP in IP package support

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The package supports IP in IP by registering the ipip protocol handler

Following options are configurable
    -peeraddr (IPv4 remote address)
    -ipaddr (IPv4 local address)
    -ttl (time to live of encapsulating packet)
    -tos (type of service of encapsulating packet either inherit (outer header inherits the value of the inner header) or hex value)
    -df (don't fragment flag of encapsulating packet)
    -mtu (IPIP tunnel mtu)
    -tunlink (bind tunnel to this interface)
    -zone (firewall zone to which the IPIP tunnel will be added)

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>

SVN-Revision: 42746
This commit is contained in:
Steven Barth 2014-10-02 19:37:36 +00:00
parent 73179a188c
commit 36b05bbed3
2 changed files with 119 additions and 0 deletions
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39
package/network/config/ipip/Makefile Normal file
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#
# Copyright (C) 2014 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:=ipip
PKG_VERSION:=1
PKG_RELEASE:=1
include $(INCLUDE_DIR)/package.mk
define Package/ipip
SECTION:=net
CATEGORY:=Network
MAINTAINER:=Hans Dedecker <dedeckeh@gmail.com>
TITLE:=IP in IP Tunnel config support
DEPENDS:= +kmod-ipip
endef
define Package/ipip/description
IP in IP Tunnel config support in /etc/config/network.
endef
define Build/Compile
endef
define Build/Configure
endef
define Package/ipip/install
$(INSTALL_DIR) $(1)/lib/netifd/proto
$(INSTALL_BIN) ./files/ipip.sh $(1)/lib/netifd/proto/ipip.sh
endef
$(eval $(call BuildPackage,ipip))

80
package/network/config/ipip/files/ipip.sh Executable file
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#!/bin/sh
[ -n "$INCLUDE_ONLY" ] || {
. /lib/functions.sh
. /lib/functions/network.sh
. ../netifd-proto.sh
init_proto "$@"
}
proto_ipip_setup() {
local cfg="$1"
local df ipaddr peeraddr tunlink ttl tos zone mtu
json_get_vars df ipaddr peeraddr tunlink ttl tos zone mtu
[ -z "$peeraddr" ] && {
proto_notify_error "$cfg" "MISSING_ADDRESS"
proto_block_restart "$cfg"
return
}
( proto_add_host_dependency "$cfg" "$peeraddr" "$tunlink" )
[ -z "$ipaddr" ] && {
local wanif="$tunlink"
if [ -z $wanif ] && ! network_find_wan wanif; then
proto_notify_error "$cfg" "NO_WAN_LINK"
return
fi
if ! network_get_ipaddr ipaddr "$wanif"; then
proto_notify_error "$cfg" "NO_WAN_LINK"
return
fi
}
[ -z "$zone" ] && zone="wan"
proto_init_update "ipip-$cfg" 1
proto_add_tunnel
json_add_string mode "ipip"
json_add_int mtu "${mtu:-1280}"
json_add_int ttl "${ttl:-64}"
[ -n "$tos" ] && json_add_string tos "$tos"
json_add_string local "$ipaddr"
json_add_string remote "$peeraddr"
[ -n "$tunlink" ] && json_add_string link "$tunlink"
json_add_boolean df "${df:-1}"
proto_close_tunnel
proto_add_data
[ -n "$zone" ] && json_add_string zone "$zone"
proto_close_data
proto_send_update "$cfg"
}
proto_ipip_teardown() {
local cfg="$1"
}
proto_ipip_init_config() {
no_device=1
available=1
proto_config_add_int "mtu"
proto_config_add_int "ttl"
proto_config_add_string "tos"
proto_config_add_string "tunlink"
proto_config_add_string "zone"
proto_config_add_string "ipaddr"
proto_config_add_string "peeraddr"
proto_config_add_boolean "df"
}
[ -n "$INCLUDE_ONLY" ] || {
add_protocol ipip
}