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# Copyright (C) 2018 OpenWrt.org
. /lib/functions.sh
. /lib/functions/system.sh
set_recovery_mac_address() {
local RECOVERY_PART="$1"
local mac
if [ -b $RECOVERY_PART ]; then
insmod nls_cp437
insmod nls_iso8859-1
insmod fat
insmod vfat
mkdir -p /tmp/recovery
if mount -o rw,noatime $RECOVERY_PART -t vfat /tmp/recovery; then
if [ -f "/tmp/recovery/mac_addr" ];
then
mac=$(cat /tmp/recovery/mac_addr)
else
mac=$(cat /sys/class/net/eth0/address)
echo "$mac" > /tmp/recovery/mac_addr
fi
sync
umount /tmp/recovery
rmdir /tmp/recovery
ip link set dev wan address $mac 2> /dev/null
mac=$(macaddr_add $mac 1)
ip link set dev lan0 address $mac 2>/dev/null
ip link set dev lan1 address $mac 2>/dev/null
ip link set dev lan2 address $mac 2>/dev/null
ip link set dev lan3 address $mac 2>/dev/null
fi
fi
}
preinit_set_mac_address() {
local rootpart
case $(board_name) in
bananapi,bpi-r2|\
unielec,u7623-02-emmc-512m)
rootpart=$(cat /proc/cmdline)
rootpart="${rootpart##*root=}"
rootpart="${rootpart%% *}"
case $rootpart in
/dev/mmcblk0p2) # Legacy U7623 image
set_recovery_mac_address /dev/mmcblk0p1
;;
/dev/mmcblk0p3) # U7623 or Banana Pi R2 eMMC
set_recovery_mac_address /dev/mmcblk0p2
;;
/dev/mmcblk1p3) # Banana Pi R2 SD
set_recovery_mac_address /dev/mmcblk1p2
;;
esac
;;
esac
}
boot_hook_add preinit_main preinit_set_mac_address
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