Firmware loader for the Gen1 WD MyCloud network interface when there is no udev available

wd-net-ghetto-udev-firmware-loader.sh

#!/bin/ash

# Written for Alpine 3.13 userland
# The sleep stuff isn't necessary... it's just there to stand as safe guards

echo "Start loading of PFE kernel module"
modprobe pfe lro_mode=1 tx_qos=1 alloc_on_init=1 disable_wifi_offload=1 &
WAITPID=$!

sleep 1

while test -d /sys/devices/platform/pfe.0/firmware; do
        source /sys/devices/platform/pfe.0/firmware/pfe.0/uevent
        echo "Loading $FIRMWARE"
        echo 1 > /sys/devices/platform/pfe.0/firmware/pfe.0/loading
        cat "/lib/firmware/$FIRMWARE" > /sys/devices/platform/pfe.0/firmware/pfe.0/data
        echo 0 > /sys/devices/platform/pfe.0/firmware/pfe.0/loading
        sleep 2
done

wait $WAITPID