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RIOT/dist/tools/ethos/start_network.sh
Martine S. Lenders 21807d40a5
start_networking.sh: add capability to not start uhcpd
As we now also support DHCPv6 we might want to use the setup-routine of
start_networking.sh but not start the UHCP server.
2020-02-26 12:40:03 +01:00

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#!/bin/sh
ETHOS_DIR="$(dirname $(readlink -f $0))"
create_tap() {
ip tuntap add ${TAP} mode tap user ${USER}
sysctl -w net.ipv6.conf.${TAP}.forwarding=1
sysctl -w net.ipv6.conf.${TAP}.accept_ra=0
ip link set ${TAP} up
ip a a fe80::1/64 dev ${TAP}
ip a a fd00:dead:beef::1/128 dev lo
ip route add ${PREFIX} via fe80::2 dev ${TAP}
}
remove_tap() {
ip tuntap del ${TAP} mode tap
}
cleanup() {
echo "Cleaning up..."
remove_tap
ip a d fd00:dead:beef::1/128 dev lo
if [ ${ETHOS_ONLY} -ne 1 ]; then
kill ${UHCPD_PID}
fi
trap "" INT QUIT TERM EXIT
}
start_uhcpd() {
${UHCPD} ${TAP} ${PREFIX} > /dev/null &
UHCPD_PID=$!
}
if [ "$1" = "-e" ] || [ "$1" = "--ethos-only" ]; then
ETHOS_ONLY=1
shift 1
else
ETHOS_ONLY=0
fi
PORT=$1
TAP=$2
PREFIX=$3
BAUDRATE=115200
[ -z "${PORT}" -o -z "${TAP}" -o -z "${PREFIX}" ] && {
echo "usage: $0 [-e|--ethos-only] <serial-port> <tap-device> <prefix> " \
"[baudrate]"
exit 1
}
[ ! -z $4 ] && {
BAUDRATE=$4
}
trap "cleanup" INT QUIT TERM EXIT
create_tap && \
if [ ${ETHOS_ONLY} -ne 1 ]; then
UHCPD="$(readlink -f "${ETHOS_DIR}/../uhcpd/bin")/uhcpd"
start_uhcpd
START_ETHOS=$?
else
START_ETHOS=0
fi
[ ${START_ETHOS} -eq 0 ] && "${ETHOS_DIR}/ethos" ${TAP} ${PORT} ${BAUDRATE}