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tapsetup: add --loss option

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This commit is contained in:
Benjamin Valentin 2022-11-07 23:33:04 +01:00
parent dc52965369
commit 0eaa6edffd
1 changed files with 14 additions and 0 deletions
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14
dist/tools/tapsetup/tapsetup vendored
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@ -45,6 +45,8 @@ usage() {
echo " (ignored on OSX and FreeBSD)" >&2 echo " (ignored on OSX and FreeBSD)" >&2
echo " -u, --uplink: Optional uplink interface" >&2 echo " -u, --uplink: Optional uplink interface" >&2
echo " (ignored on OSX and FreeBSD)" >&2 echo " (ignored on OSX and FreeBSD)" >&2
echo " --loss: Optional loss %" >&2
echo " (ignored on OSX and FreeBSD)" >&2
echo " -h, --help: Prints this text" >&2 echo " -h, --help: Prints this text" >&2
} }
@ -320,6 +322,9 @@ create_iface() {
if [ -z "${TUNNAME}" ]; then if [ -z "${TUNNAME}" ]; then
ip link set dev ${NAME}${N} master ${BRNAME} || exit 1 ip link set dev ${NAME}${N} master ${BRNAME} || exit 1
fi fi
if [ -n "${LOSS}" ]; then
tc qdisc add dev ${NAME}${N} root netem loss ${LOSS}
fi
ip link set ${NAME}${N} up || exit 1 ;; ip link set ${NAME}${N} up || exit 1 ;;
OSX) OSX)
chown ${SUDO_USER} /dev/${NAME}${N} || exit 1 chown ${SUDO_USER} /dev/${NAME}${N} || exit 1
@ -476,6 +481,15 @@ while true ; do
UPLINK="$2" UPLINK="$2"
shift 2 ;; shift 2 ;;
esac ;; esac ;;
--loss)
case "$2" in
"")
usage
exit 2 ;;
*)
LOSS="$2"
shift 2 ;;
esac ;;
-t|--tap) -t|--tap)
case "$2" in case "$2" in
"") "")