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tools/usb-cdc-ecm: add support for radvd / auto_subnets

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This commit is contained in:
Benjamin Valentin 2021-10-15 17:37:40 +02:00
parent efb4b2ea61
commit 15ab9bbdcd
2 changed files with 24 additions and 3 deletions
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23
dist/tools/usb-cdc-ecm/start_network.sh vendored
View File

@ -34,7 +34,6 @@ setup_interface() {
ip link set "${INTERFACE}" up
ip a a fe80::1/64 dev "${INTERFACE}"
ip a a fd00:dead:beef::1/128 dev lo
ip route add "${PREFIX}" via fe80::2 dev "${INTERFACE}"
}
cleanup_interface() {
@ -57,15 +56,25 @@ cleanup() {
}
start_uhcpd() {
ip route add "${PREFIX}" via fe80::2 dev "${INTERFACE}"
${UHCPD} "${INTERFACE}" "${PREFIX}" > /dev/null &
UHCPD_PID=$!
}
start_dhcpd() {
ip route add "${PREFIX}" via fe80::2 dev "${INTERFACE}"
DHCPD_PIDFILE=$(mktemp)
${DHCPD} -d -p "${DHCPD_PIDFILE}" "${INTERFACE}" "${PREFIX}" 2> /dev/null
}
start_radvd() {
ADDR=$(echo "${PREFIX}" | sed -e 's/::\//::1\//')
ip a a "${ADDR}" dev "${INTERFACE}"
sysctl net.ipv6.conf."${INTERFACE}".accept_ra=2
sysctl net.ipv6.conf."${INTERFACE}".accept_ra_rt_info_max_plen=64
${RADVD} -c "${INTERFACE}" "${PREFIX}"
}
if [ "$1" = "-d" ] || [ "$1" = "--use-dhcpv6" ]; then
USE_DHCPV6=1
shift 1
@ -73,9 +82,16 @@ else
USE_DHCPV6=0
fi
if [ "$1" = "-r" ] || [ "$1" = "--use-radvd" ]; then
USE_RADVD=1
shift 1
else
USE_RADVD=0
fi
PREFIX=$1
[ -z "${PREFIX}" ] && {
echo "usage: $0 [-d|--use-dhcpv6] <prefix> [<serial-port>]"
echo "usage: $0 [-d|--use-dhcpv6] [-r|--use-radvd ] <prefix> [<serial-port>]"
exit 1
}
@ -90,6 +106,9 @@ setup_interface
if [ ${USE_DHCPV6} -eq 1 ]; then
DHCPD="$(readlink -f "${USB_CDC_ECM_DIR}/../dhcpv6-pd_ia/")/dhcpv6-pd_ia.py"
start_dhcpd
elif [ ${USE_RADVD} -eq 1 ]; then
RADVD="$(readlink -f "${USB_CDC_ECM_DIR}/../radvd/")/radvd.sh"
start_radvd
else
UHCPD="$(readlink -f "${USB_CDC_ECM_DIR}/../uhcpd/bin")/uhcpd"
start_uhcpd

4
examples/gnrc_border_router/Makefile.cdc-ecm.conf
View File

@ -2,8 +2,10 @@
USEMODULE += auto_init_usbus
USEMODULE += usbus_cdc_ecm
ifeq (dhcpv6, $(PREFIX_CONF))
ifeq (dhcpv6,$(PREFIX_CONF))
FLAGS_EXTRAS += --use-dhcpv6
else ifeq (auto_subnets,$(PREFIX_CONF))
FLAGS_EXTRAS += --use-radvd
endif
# Configure terminal parameters for UHCP