meta-netmodule-bsp/recipes-bsp/mac-address-set/files/mac-address-set.sh

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#!/usr/bin/env bash
eth_mac=$(ip addr show eth0 | awk '$1 == "link/ether" {gsub(/\/.*$/, "", $2); print $2}')
wlan_mac=$(echo $eth_mac | sed -r "s/^(.{9})50(.{6})/\170\2/")
bt_addr=$(echo $eth_mac | sed -r "s/^(.{9})50(.{6})/\180\2/")
# Set WLAN address
ifconfig wlan0 | grep UP > /dev/null
up=$?
if [[ $up == 0 ]]; then
ifconfig wlan0 down
fi
ip link set wlan0 address $wlan_mac
if [[ $up == 0 ]]; then
ifconfig wlan0 up
fi
# Set BT address
bt_addr_rev=$(echo $bt_addr | sed -r "s/^(.{2}):(.{2}):(.{2}):(.{2}):(.{2}):(.{2})/\6:\5:\4:\3:\2:\1/")
bdaddr $bt_addr_rev
hciconfig hci0 reset
systemctl restart bluetooth