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

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