target/linux/apm821xx/base-files/lib/preinit/05_set_iface_mac_apm821xx

   1 preinit_set_mac_address() {
   2         . /lib/functions.sh
   3
   4         case $(board_name) in
   5                 meraki,mr24|\
   6                 meraki,mx60)
   7                         mac_lan=$(mtd_get_mac_binary_ubi board-config 0x66)
   8                         [ -n "$mac_lan" ] && ifconfig eth0 hw ether "$mac_lan"
   9                         ;;
  10         esac
  11 }
  12
  13 boot_hook_add preinit_main preinit_set_mac_address