[PATCHTEAM] - WING Wireless Mesh Routing Protocol

Signed-off-by: Roberto Riggio <roberto.riggio@create-net.org>


git-svn-id: svn://svn.openwrt.org/openwrt/packages@22627 3c298f89-4303-0410-b956-a3cf2f4a3e73

net/wing/Config.in

@@ -0,0 +1,17 @@
+# Wing configuration
+
+choice
+       prompt "Version"
+       depends on PACKAGE_wing
+       default WING_STABLE
+       help
+         This option allows you to select the version of Wing to be built.
+       
+config WING_STABLE
+       bool "Use the stable version (multi-interface)"
+       
+config WING_TESTING
+       bool "Use the unstable version (multi-interfaces w/ ITACA)"
+
+endchoice
+

net/wing/Makefile

@@ -0,0 +1,112 @@
+#
+# Copyright (C) 2006-2009 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=wing
+
+ifneq ($(CONFIG_WING_STABLE),)
+  PKG_VERSION:=20100805
+  PKG_RELEASE:=1
+  PKG_REV:=21aae2ae5bea85426aded47b055b4fe62c2cea2e
+else 
+  PKG_VERSION:=$(shell date +%Y%m%d)
+  PKG_RELEASE:=1
+  PKG_REV:=HEAD
+endif
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
+PKG_SOURCE_URL:=http://github.com/create-net/click-wing.git
+PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
+PKG_SOURCE_VERSION:=$(PKG_REV)
+PKG_SOURCE_PROTO:=git
+
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/wing
+  TITLE:=Wireless mesh networking toolkit
+  SECTION:=net
+  CATEGORY:=Network
+  MAINTAINER:=Roberto Riggio (roberto.riggio@create-net.org)
+  DEPENDS:=+kmod-tun
+  URL:=http://www.wing-project.org/
+endef
+
+define Package/wing/Description 
+	Wing is a wireless mesh routing software. The routing protocol
+	is derived from Roofnet. It supports multiple radio interfaces and
+	link quality routing using the ETX, ETT, and WCETT metrics.
+endef 
+
+define Package/wing/config
+	source "$(SOURCE)/Config.in"
+endef
+
+define Build/Configure
+	(cd $(PKG_BUILD_DIR); \
+		rm -rf config.{cache,status}; \
+		 ./configure \
+			--prefix=/usr \
+			--enable-userlevel \
+			--enable-wifi \
+			--enable-wing \
+			--disable-linuxmodule \
+	);
+	$(MAKE) -C $(PKG_BUILD_DIR) tools elementmap.xml
+	(cd $(PKG_BUILD_DIR)/userlevel; \
+		../tools/click-mkmindriver/click-mkmindriver -p $(PKG_NAME) -C .. \
+		-f $(PKG_BUILD_DIR)/conf/wing/sample.click \
+		-A --all -E Discard -E Print -E Null \
+		-E InfiniteSource -E RatedSource -E EtherEncap -E UDPIPEncap \
+		-E AthdescEncap -E AthdescDecap -E RadiotapDecap -E RadiotapEncap \
+		-E ProbeTXRate -E MadwifiRate -E AutoRateFallback \
+		-E RoundRobinSched -E DRRSched; \
+	)
+	(cd $(PKG_BUILD_DIR); \
+		rm -rf config.{cache,status} ; \
+		$(TARGET_CONFIGURE_OPTS) \
+		CXXFLAGS="-static -O2 -MD" CFLAGS="-static -MD" \
+		CPPFLAGS="-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include" \
+		LDFLAGS="-L$(STAGING_DIR)/usr/lib -L$(STAGING_DIR)/lib" \
+		./configure \
+			--prefix=/usr \
+			--target=$(GNU_TARGET_NAME) \
+			--host=$(GNU_TARGET_NAME) \
+			--build=$(GNU_HOST_NAME) \
+			--enable-tools=mixed \
+			--enable-userlevel \
+			--enable-wifi \
+			--enable-wing \
+			--disable-linuxmodule \
+	);
+endef
+
+define Build/Compile
+	$(MAKE) -C $(PKG_BUILD_DIR) \
+		MINDRIVER=$(PKG_NAME) \
+		DESTDIR="$(PKG_INSTALL_DIR)" \
+		all install
+endef
+
+define Package/wing/install
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(INSTALL_DIR) $(1)/etc/wing
+	$(INSTALL_DIR) $(1)/usr/share/click
+	$(CP) ./files/* $(1)/
+	$(CP) $(PKG_BUILD_DIR)/conf/wing/click_config $(1)/usr/bin/
+	$(CP) $(PKG_BUILD_DIR)/conf/wing/write_handler $(1)/usr/bin/
+	$(CP) $(PKG_BUILD_DIR)/conf/wing/read_handler $(1)/usr/bin/
+	$(CP) $(PKG_INSTALL_DIR)/usr/bin/$(PKG_NAME)click $(1)/usr/bin/click
+	$(CP) $(PKG_INSTALL_DIR)/usr/bin/click-align $(1)/usr/bin/click-align
+	$(CP) $(PKG_BUILD_DIR)/conf/wing/*click $(1)/etc/wing/
+	$(CP) $(PKG_INSTALL_DIR)/usr/share/click/elementmap.xml $(1)/usr/share/click/elementmap.xml
+endef
+
+$(eval $(call BuildPackage,wing))
+

net/wing/files/etc/uci-defaults/wing

@@ -0,0 +1,26 @@
+uci set network.mesh=interface
+uci set network.mesh.proto=wing
+uci set network.mesh.profile=bulk
+uci set network.mesh.rc=static
+uci set network.mesh.ls=fcfs
+uci set network.mesh.metric=wcett
+uci set network.mesh.prefix=6
+uci set network.mesh.period=36000
+uci set network.mesh.tau=360000
+uci set network.mesh.debug=true
+
+cfg=$(uci add firewall zone)
+uci set firewall.$cfg.name="mesh"
+uci set firewall.$cfg.input="ACCEPT"
+uci set firewall.$cfg.output="ACCEPT"
+uci set firewall.$cfg.forward="REJECT"
+uci set firewall.$cfg.masq="1"
+
+cfg=$(uci add firewall forwarding)
+uci set firewall.$cfg.src="lan"
+uci set firewall.$cfg.dest="mesh"
+
+cfg=$(uci add firewall forwarding)
+uci set firewall.$cfg.src="mesh"
+uci set firewall.$cfg.dest="wan"
+

net/wing/files/lib/network/wing.sh

@@ -0,0 +1,145 @@
+
+scan_wing() {
+       config_set "$1" device "wing-$1"
+}
+
+coldplug_interface_wing() {
+        setup_interface_wing "wing-$1" "$1"
+}
+
+stop_interface_wing() {
+       local config="$1"
+       local iface="wing-$config"
+       env -i ACTION="ifdown" INTERFACE="$config" DEVICE="$iface" PROTO=wing /sbin/hotplug-call "iface"&
+       [ -f "/var/run/$iface.pid" ]&&  {
+               kill -9 $(cat /var/run/$iface.pid)
+               rm /var/run/$iface.pid
+       }
+}
+
+setup_interface_wing() {
+
+        local iface="$1"
+        local config="$2"
+
+       local hwmodes=""
+       local freqs=""
+       local ifnames=""
+       local hwaddrs=""
+
+       config_load wireless
+       config_foreach wing_list_interfaces wifi-iface
+       
+       # start click router
+       if [ "$hwmodes" = "" -o "$freqs" = "" -o "$ifnames" = "" -o "$hwaddrs" = "" ]; then
+               logger -t "$config" "No raw interfaces available. Exiting."
+               exit 1
+       fi
+
+       local profile rc ls prefix debug
+
+       config_get profile $config profile "bulk"
+       config_get rc $config rc "static"
+       config_get ls $config ls "fcfs"
+       config_get metric $config metric "wcett"
+       config_get prefix $config prefix "6"
+       config_get period $config period "10000"
+       config_get tau $config tau "100000"
+       config_get_bool debug $config debug "False"
+
+       local hwaddr=$(echo $hwaddrs | sed 's/ .*//');
+       local ipaddr=$(printf "$prefix.%d.%d.%d" $(echo $hwaddr | awk -F: '{printf "0x%s 0x%s 0x%s",$4,$5,$6}'))
+       local netmask=255.0.0.0
+
+       if ! wing_template_available "profile" "$profile" "bulk"; then
+               logger -t "$config" "Unable to configure router. Exiting."
+               exit 1
+       fi
+
+       if ! wing_template_available "rc" "$rc" "static"; then
+               logger -t "$config" "Unable to configure rate control. Exiting."
+               exit 1
+       fi
+
+       if ! wing_template_available "ls" "$ls" "radiotap"; then
+               logger -t "$config" "Unable to configure link scheduler. Exiting."
+               exit 1
+       fi
+
+       if [ "$profile" = "" -o "$rc" = "" ]; then
+               logger -t "$config" "Unable to generate template. Exiting."
+               exit 1
+       fi
+
+       [ "$debug" == 0 ]&&  dbg="" || dbg="-d"
+
+       /usr/bin/click_config -p $profile -r $rc -s $ls -l $metric \
+               -m "$hwmodes" -c "$freqs" -n "$ifnames" -a "$hwaddrs" $dbg \
+               | sed -e "s/__XR_IFNAME__/$iface/g" \
+               | sed -e "s/__XR_IP__/$ipaddr/g" \
+               | sed -e "s/__XR_NM__/$netmask/g" \
+               | sed -e "s/__XR_PERIOD__/$period/g" \
+               | sed -e "s/__XR_TAU__/$tau/g">  /tmp/$iface.click
+
+       /usr/bin/click-align /tmp/$iface.click>  /tmp/$iface-aligned.click 2>/var/log/$iface.log
+       [ ! -c /dev/net/tun ]&&  {
+               mkdir -p /dev/net/
+               mknod /dev/net/tun c 10 200
+               if [ ! -c /dev/net/tun ]; then
+                       logger -t "$config" "Device not available (/dev/net/tun). Exiting."
+                       exit 1
+               fi
+       }
+
+       # creating the tun interface below will trigger a net subsystem event
+       # prevent it from touching iface by disabling .auto here
+       uci_set_state network "$config" auto 0
+
+       (/usr/bin/click /tmp/$iface-aligned.click>>  /var/log/$iface.log 2>&1&)&
+       sleep 2
+       ps | grep /usr/bin/click | grep -q -v grep || {
+               logger -t "$config" "Unable to start click. Exiting."
+               exit 1
+       }
+
+       ps | grep /usr/bin/click | grep -v grep | awk '{print $1}'>  /var/run/$iface.pid
+
+       ifconfig "$iface" "$ipaddr" netmask "$netmask"
+       uci_set_state network $config ipaddr "$ipaddr"
+       uci_set_state network $config netmask "$netmask"
+
+       env -i ACTION="ifup" INTERFACE="$config" DEVICE="$iface" PROTO=wing /sbin/hotplug-call "iface"&
+
+}
+
+wing_template_available() { # prefix, template, default
+       local template="/etc/wing/$1.$2.click"
+       [ ! -f $template ]&&  {
+               template="/etc/wing/$1.$3.click"
+               [ ! -f $template ]&&  {
+                       return 1
+               }
+       }
+       return 0
+}
+
+wing_list_interfaces() {
+       local channel freq hwmode hwaddr ifname mode
+       config_get ifname $1 ifname
+       config_get mode $1 mode
+       config_get device $1 device
+       config_get_bool up $1 up
+       [ "$up" = "1" -a "$mode" = "monitor" ] || return 0
+       config_get hwmode $device hwmode "11b"
+       config_get channel $device channel "1"
+       freq=$(iwlist $ifname freq | sed -n "s/^.*Channel 0*$channel : \([0-9.]*\).*/\1/p" | awk '{print $1*1000}')
+       hwaddr=$(/sbin/ifconfig $ifname 2>&1 | sed -n 's/^.*HWaddr \([0-9A-Za-z\-]*\).*/\1/p' | sed -e 's/\-/:/g' | cut -c1-17)
+       freqs=${freqs:+"$freqs "}$freq
+       hwmodes=${hwmodes:+"$hwmodes "}$hwmode
+       hwaddrs=${hwaddrs:+"$hwaddrs "}$hwaddr
+       ifnames=${ifnames:+"$ifnames "}$ifname
+       /sbin/ifconfig $ifname mtu 1900
+       /sbin/ifconfig $ifname txqueuelen 5
+       /sbin/ifconfig $ifname up
+}
+