diff --git a/recipes-extra/bridge-utils/bridge-utils.inc b/recipes-extra/bridge-utils/bridge-utils.inc index 7fc4966..f17e034 100644 --- a/recipes-extra/bridge-utils/bridge-utils.inc +++ b/recipes-extra/bridge-utils/bridge-utils.inc @@ -9,6 +9,7 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/bridge/bridge-utils-${PV}.tar.gz \ file://bridge-utils-1.5-check-error-returns-from-write-to-sysfs.patch \ file://bridge-utils-1.5-fix-error-message-for-incorrect-command.patch \ file://bridge-utils-1.5-fix-incorrect-command-in-manual.patch \ + file://ifupdown.sh file://bridge-utils.sh \ " inherit autotools update-alternatives @@ -24,6 +25,17 @@ do_install_append () { install -d ${D}/${datadir}/bridge-utils install -d ${D}/${sysconfdir}/network/if-pre-up.d install -d ${D}/${sysconfdir}/network/if-post-down.d + + # copy the scripts (from debian bridge-utils patch) + install -d ${D}/lib/bridge-utils + install -m 0755 ${WORKDIR}/ifupdown.sh ${D}/lib/bridge-utils/ifupdown.sh + install -m 0755 ${WORKDIR}/bridge-utils.sh ${D}/lib/bridge-utils/bridge-utils.sh + + # create symlinks for ifupdown magic + cd ${D}${sysconfdir}/network/if-pre-up.d + ln -s /lib/bridge-utils/ifupdown.sh bridge + cd ${D}${sysconfdir}/network/if-post-down.d + ln -s /lib/bridge-utils/ifupdown.sh bridge } RRECOMMENDS_${PN} = "kernel-module-bridge" diff --git a/recipes-extra/bridge-utils/files/bridge-utils.sh b/recipes-extra/bridge-utils/files/bridge-utils.sh new file mode 100755 index 0000000..951515e --- /dev/null +++ b/recipes-extra/bridge-utils/files/bridge-utils.sh @@ -0,0 +1,56 @@ +#!/bin/sh + +bridge_parse_ports() +{ + while [ x"${1+set}" = xset ] + do + # For compatibility: the `all' option. + case $1 in + all) + shift && + set regex eth.\* em.\* 'p[0-9].*' noregex "$@" + ;; + 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 + + echo $i + done +} diff --git a/recipes-extra/bridge-utils/files/ifupdown.sh b/recipes-extra/bridge-utils/files/ifupdown.sh new file mode 100755 index 0000000..9545caa --- /dev/null +++ b/recipes-extra/bridge-utils/files/ifupdown.sh @@ -0,0 +1,220 @@ +#!/bin/sh + +# You don't usually need to touch this file at all, the full configuration +# of the bridge can be done in a standard way on /etc/network/interfaces. + +# Have a look at /usr/share/doc/bridge-utils/README.Debian if you want +# more info about the way on wich a bridge is set up on Debian. + +if [ ! -x /usr/sbin/brctl ] +then + exit 0 +fi + +. /lib/bridge-utils/bridge-utils.sh + +case "$IF_BRIDGE_PORTS" in + "") + exit 0 + ;; + none) + INTERFACES="" + ;; + *) + INTERFACES="$IF_BRIDGE_PORTS" + ;; +esac + +# Previous work (create the interface) +if [ "$MODE" = "start" ] && [ ! -d /sys/class/net/$IFACE ]; then + brctl addbr $IFACE || exit 1 + if [ "$IF_BRIDGE_HW" ]; then + ip link set dev $IFACE address $IF_BRIDGE_HW + fi +# Wait for the ports to become available + if [ "$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 + ip link set dev $IFACE down || exit 1 +fi + +all_interfaces= && +unset all_interfaces && +bridge_parse_ports $INTERFACES | while read i +do + for port in $i + do + # We attach and configure each port of the bridge + if [ "$MODE" = "start" ] && [ ! -d /sys/class/net/$IFACE/brif/$port ]; 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 + KVER="$(uname -r)" + LKVER="${KVER#*.}" + LKVER="${LKVER%%-*}" + LKVER="${LKVER%%.*}" + if [ "${KVER%%.*}" -lt 3 -o "${KVER%%.*}" -eq 3 -a "$LKVER" -lt 3 ] + then + ip link set dev $port address $IF_BRIDGE_HW + fi + fi + if [ -f /proc/sys/net/ipv6/conf/$port/disable_ipv6 ] + then + echo 1 > /proc/sys/net/ipv6/conf/$port/disable_ipv6 + fi + brctl addif $IFACE $port && ip link set dev $port up + # We detach each port of the bridge + elif [ "$MODE" = "stop" ] && [ -d /sys/class/net/$IFACE/brif/$port ]; then + ip link set dev $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 + if [ -f /proc/sys/net/ipv6/conf/$port/disable_ipv6 ] + then + echo 0 > /proc/sys/net/ipv6/conf/$port/disable_ipv6 + 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_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 $IF_BRIDGE_STP + fi + + if [ "$IF_BRIDGE_FD" ] + then + brctl setfd $IFACE $IF_BRIDGE_FD + fi + + + # We activate the bridge + ip link set dev $IFACE up + + + # Calculate the maximum time to wait for the bridge to be ready + if [ "$IF_BRIDGE_MAXWAIT" ] + then + MAXWAIT=$IF_BRIDGE_MAXWAIT + else + MAXWAIT=$(brctl showstp $IFACE 2>/dev/null|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 $MAXWAIT seconds)." + + unset BREADY + unset TRANSITIONED + COUNT=0 + + # Use 0.1 delay if available + sleep 0.1 2>/dev/null && MAXWAIT=$((MAXWAIT * 10)) + + while [ ! "$BREADY" -a $COUNT -lt $MAXWAIT ] + do + sleep 0.1 2>/dev/null || sleep 1 + COUNT=$(($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