bridge-utils: add ifupdown script from Debian

Signed-off-by: Roman I Khimov <khimov@altell.ru>

2 files changed, 252 insertions, 1 deletions

diff --git a/recipes/bridge-utils/bridge-utils.inc b/recipes/bridge-utils/bridge-utils.inc
index ba4d5827d8..a4ccf07558 100644
--- a/recipes/bridge-utils/bridge-utils.inc
+++ b/recipes/bridge-utils/bridge-utils.inc
@@ -5,7 +5,7 @@ LICENSE = "GPL"
 DEPENDS = "sysfsutils"
 RRECOMMENDS = "kernel-module-bridge"
 
-SRC_URI = "${SOURCEFORGE_MIRROR}/bridge/bridge-utils-${PV}.tar.gz"
+SRC_URI = "${SOURCEFORGE_MIRROR}/bridge/bridge-utils-${PV}.tar.gz file://ifupdown.sh"
 
 inherit autotools
 
@@ -13,6 +13,12 @@ EXTRA_OECONF = "--with-linux-headers=${STAGING_INCDIR}"
 
 do_install_append () {
 	mv ${D}${sbindir}/brctl ${D}${sbindir}/brctl.${PN}
+	install -d ${D}/${datadir}/bridge-utils
+	install -d ${D}/${sysconfdir}/network/if-pre-up.d
+	install -d ${D}/${sysconfdir}/network/if-post-down.d
+	install -m 0755 ${WORKDIR}/ifupdown.sh  ${D}/${datadir}/bridge-utils/
+	ln -s ${datadir}/bridge-utils/ifupdown.sh ${D}/${sysconfdir}/network/if-pre-up.d/bridge
+	ln -s ${datadir}/bridge-utils/ifupdown.sh ${D}/${sysconfdir}/network/if-post-down.d/bridge
 }
 
 pkg_postinst_${PN} () {
diff --git a/recipes/bridge-utils/files/ifupdown.sh b/recipes/bridge-utils/files/ifupdown.sh
new file mode 100644
index 0000000000..a67ffcc1e3
--- /dev/null
+++ b/recipes/bridge-utils/files/ifupdown.sh
@@ -0,0 +1,245 @@
+#!/bin/sh
+
+# You don't usually need to touch this file at all, the full configuration
+# of the bridge can be done in a standard way on /etc/network/interfaces.
+
+# Have a look at /usr/share/doc/bridge-utils/README.Debian if you want
+# more info about the way on wich a bridge is set up on Debian.
+
+if [ ! -x /usr/sbin/brctl ]
+then
+  exit 0
+fi
+
+case "$IF_BRIDGE_PORTS" in
+    "")
+	exit 0
+	;;
+    none)
+	INTERFACES=""
+	;;
+    *)
+	INTERFACES="$IF_BRIDGE_PORTS"
+	;;
+esac
+
+# Previous work (create the interface)
+if [ "$MODE" = "start" ] ; then
+  brctl addbr $IFACE || exit 1
+# Wait for the ports to become available
+  if [ "$IF_BRIDGE_WAITPORT" ]
+  then
+    set x $IF_BRIDGE_WAITPORT &&   
+    shift &&
+    WAIT="$1" &&
+    shift &&
+    WAITPORT="$@" &&
+    if [ -z "$WAITPORT" ];then WAITPORT="$IF_BRIDGE_PORTS";fi &&
+    STARTTIME=$(date +%s) &&
+    NOTFOUND="true" &&
+    /bin/echo -e "\nWaiting for a max of $WAIT seconds for $WAITPORT to become available." &&
+    while [ "$(($(date +%s)-$STARTTIME))" -le "$WAIT" ] && [ -n "$NOTFOUND" ]
+    do
+      NOTFOUND=""
+      for i in $WAITPORT
+      do
+        if ! grep -q "^[\ ]*$i:.*$" /proc/net/dev;then NOTFOUND="true";fi
+      done
+      if [ -n "$NOTFOUND" ];then sleep 1;fi
+    done
+  fi
+# Previous work (stop the interface)
+elif [ "$MODE" = "stop" ];  then
+  ifconfig $IFACE down || exit 1
+fi
+
+all_interfaces= &&
+unset all_interfaces &&
+set x $INTERFACES &&
+shift &&
+while [ x"${1+set}" = xset ]
+do
+  # For compatibility: the `all' option.
+  case $1 in
+      all)
+	shift &&
+	set regex eth.\* noregex "$@"
+	;;
+  esac
+
+  # Primitive state machine...
+  case $1-`uname -s` in
+      regex-Linux)
+	all_interfaces=`sed -n 's%^[\ ]*\([^:]*\):.*$%\1%p' < /proc/net/dev`
+	shift
+	;;
+      regex-*)
+	echo -n "$0 needs to be ported for your `uname -s` system.  " >&2
+	echo "Trying to continue nevertheless." >&2
+	shift
+	;;
+      noregex-*)
+	all_interfaces=
+	unset all_interfaces
+	shift
+	;;
+  esac
+
+  case ${all_interfaces+regex}-${1+set} in
+      regex-set)
+	# The following interface specification are to be parsed as regular
+	# expressions against all interfaces the system provides.
+	i=`egrep "^$1$" << EOAI
+$all_interfaces
+EOAI
+`
+	shift
+	;;
+      *-set)
+	# Literal interfaces.
+	i=$1
+	shift
+	;;
+      *)
+	# No interface specification is following.
+	i=
+	;;
+  esac
+
+  for port in $i
+  do
+    # We attach and configure each port of the bridge
+    if [ "$MODE" = "start" ] ; then
+      if [ -x /etc/network/if-pre-up.d/vlan ]; then
+        env IFACE=$port /etc/network/if-pre-up.d/vlan
+      fi
+      if [ "$IF_BRIDGE_HW" ]
+      then
+         ifconfig $port down; ifconfig $port hw ether $IF_BRIDGE_HW
+      fi
+      brctl addif $IFACE $port && ifconfig $port 0.0.0.0 up
+    # We detach each port of the bridge
+    elif [ "$MODE" = "stop" ];  then
+      ifconfig $port down && brctl delif $IFACE $port && \
+        if [ -x /etc/network/if-post-down.d/vlan ]; then
+          env IFACE=$port /etc/network/if-post-down.d/vlan
+        fi
+    fi
+  done
+done
+
+# We finish setting up the bridge
+if [ "$MODE" = "start" ] ; then
+
+  if [ "$IF_BRIDGE_AGEING" ]
+  then
+    brctl setageing $IFACE $IF_BRIDGE_AGEING
+  fi
+
+  if [ "$IF_BRIDGE_BRIDGEPRIO" ]
+  then
+    brctl setbridgeprio $IFACE $IF_BRIDGE_BRIDGEPRIO
+  fi
+
+  if [ "$IF_BRIDGE_FD" ]
+  then
+    brctl setfd $IFACE $IF_BRIDGE_FD
+  fi
+
+  if [ "$IF_BRIDGE_GCINT" ]
+  then
+    brctl setgcint $IFACE $IF_BRIDGE_GCINT
+  fi
+
+  if [ "$IF_BRIDGE_HELLO" ]
+  then
+    brctl sethello $IFACE $IF_BRIDGE_HELLO
+  fi
+
+  if [ "$IF_BRIDGE_MAXAGE" ]
+  then
+    brctl setmaxage $IFACE $IF_BRIDGE_MAXAGE
+  fi
+
+  if [ "$IF_BRIDGE_PATHCOST" ]
+  then
+    brctl setpathcost $IFACE $IF_BRIDGE_PATHCOST
+  fi
+
+  if [ "$IF_BRIDGE_PORTPRIO" ]
+  then
+    brctl setportprio $IFACE $IF_BRIDGE_PORTPRIO
+  fi
+
+  if [ "$IF_BRIDGE_STP" ]
+  then
+    brctl stp $IFACE $IF_BRIDGE_STP
+  fi
+
+
+  # We activate the bridge
+  ifconfig $IFACE 0.0.0.0 up
+
+
+  # Calculate the maximum time to wait for the bridge to be ready
+  if [ "$IF_BRIDGE_MAXWAIT" ]
+  then
+    MAXWAIT=$IF_BRIDGE_MAXWAIT
+  else
+    MAXWAIT=$(brctl showstp $IFACE|sed -n 's/^.*forward delay[ \t]*\(.*\)\..*bridge forward delay[ \t]*\(.*\)\..*$/\1 \2/p')
+    if [ "$MAXWAIT" ]
+    then
+      if [ ${MAXWAIT% *} -gt ${MAXWAIT#* } ]
+      then
+        MAXWAIT=$((2*(${MAXWAIT% *}+1)))
+      else
+        MAXWAIT=$((2*(${MAXWAIT#* }+1)))
+      fi
+    else
+      if [ "$IF_BRIDGE_FD" ]
+      then
+        MAXWAIT=$((2*(${IF_BRIDGE_FD%.*}+1)))
+      else
+        MAXWAIT=32
+      fi
+      /bin/echo -e "\nWaiting $MAXWAIT seconds for $IFACE to get ready."
+      sleep $MAXWAIT
+      MAXWAIT=0
+    fi
+  fi
+
+  # Wait for the bridge to be ready
+  if [ "$MAXWAIT" != 0 ]
+  then
+    /bin/echo -e "\nWaiting for $IFACE to get ready (MAXWAIT is $MAXWAIT seconds)."
+
+    unset BREADY
+    unset TRANSITIONED
+    COUNT=0
+
+    while [ ! "$BREADY" -a $COUNT -lt $MAXWAIT ]
+    do
+      sleep 1
+      COUNT=$(($COUNT+1))
+      BREADY=true
+      for i in $(brctl showstp $IFACE|sed -n 's/^.*port id.*state[ \t]*\(.*\)$/\1/p')
+      do
+        if [ "$i" = "listening" -o "$i" = "learning" -o "$i" = "forwarding" -o "$i" = "blocking" ]
+        then
+          TRANSITIONED=true
+        fi
+        if [ "$i" != "forwarding" -a "$i" != "blocking" ] && [ ! "$TRANSITIONED" -o "$i" != "disabled" ]
+        then
+          unset BREADY
+        fi
+      done
+    done
+
+  fi
+
+# Finally we destroy the interface
+elif [ "$MODE" = "stop" ];  then
+
+  brctl delbr $IFACE
+
+fi