target/linux/mediatek/mt7623/base-files/lib/preinit/07_set_iface_mac

   1 # Copyright (C) 2018 OpenWrt.org
   2
   3 RECOVERY_PART=/dev/mmcblk0p1
   4
   5 preinit_set_mac_address() {
   6         local mac
   7
   8         . /lib/functions.sh
   9         . /lib/functions/system.sh
  10
  11         case $(board_name) in
  12         unielec,u7623-02-emmc-512m)
  13                 if [ -b $RECOVERY_PART ]; then
  14                         insmod nls_cp437
  15                         insmod nls_iso8859-1
  16                         insmod fat
  17                         insmod vfat
  18                         mkdir -p /tmp/recovery
  19                         mount -o rw,noatime $RECOVERY_PART /tmp/recovery
  20
  21                         if [ -f "/tmp/recovery/mac_addr" ];
  22                         then
  23                                 mac=$(cat /tmp/recovery/mac_addr)
  24                         else
  25                                 mac=$(cat /sys/class/net/eth0/address)
  26                                 echo "$mac" > /tmp/recovery/mac_addr
  27                         fi
  28
  29                         sync
  30                         umount /tmp/recovery
  31                         rm -rf /tmp/recovery
  32                 fi
  33
  34                 ip link set dev wan address $mac 2> /dev/null
  35
  36                 mac=$(macaddr_add $mac 1)
  37
  38                 ip link set dev lan0 address $mac 2>/dev/null
  39                 ip link set dev lan1 address $mac 2>/dev/null
  40                 ip link set dev lan2 address $mac 2>/dev/null
  41                 ip link set dev lan3 address $mac 2>/dev/null
  42                 ;;
  43         esac
  44 }
  45
  46 boot_hook_add preinit_main preinit_set_mac_address