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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Shared netdevsim setup/cleanup for YNL C test wrappers
NSIM_ID="1337"
NSIM_DEV=""
KSFT_SKIP=4
nsim_cleanup() {
echo "$NSIM_ID" > /sys/bus/netdevsim/del_device 2>/dev/null || true
}
nsim_setup() {
modprobe netdevsim 2>/dev/null
if ! [ -f /sys/bus/netdevsim/new_device ]; then
echo "netdevsim module not available, skipping" >&2
exit "$KSFT_SKIP"
fi
trap nsim_cleanup EXIT
echo "$NSIM_ID 1" > /sys/bus/netdevsim/new_device
udevadm settle
NSIM_DEV=$(ls /sys/bus/netdevsim/devices/netdevsim${NSIM_ID}/net 2>/dev/null | head -1)
if [ -z "$NSIM_DEV" ]; then
echo "failed to find netdevsim device" >&2
exit 1
fi
ip link set dev "$NSIM_DEV" name nsim0
ip link set dev nsim0 up
ip addr add 192.168.1.1/24 dev nsim0
ip addr add 2001:db8::1/64 dev nsim0 nodad
}
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