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

   1 # Copyright (C) 2018 OpenWrt.org
   2
   3 . /lib/functions.sh
   4 . /lib/functions/system.sh
   5
   6 set_recovery_mac_address() {
   7         local RECOVERY_PART="$1"
   8         local mac
   9
  10         if [ -b $RECOVERY_PART ]; then
  11                 insmod nls_cp437
  12                 insmod nls_iso8859-1
  13                 insmod fat
  14                 insmod vfat
  15                 mkdir -p /tmp/recovery
  16                 if mount -o rw,noatime $RECOVERY_PART -t vfat /tmp/recovery; then
  17                         if [ -f "/tmp/recovery/mac_addr" ];
  18                         then
  19                                 mac=$(cat /tmp/recovery/mac_addr)
  20                         else
  21                                 mac=$(cat /sys/class/net/eth0/address)
  22                                 echo "$mac" > /tmp/recovery/mac_addr
  23                         fi
  24
  25                         sync
  26                         umount /tmp/recovery
  27                         rmdir /tmp/recovery
  28
  29                         ip link set dev wan address $mac 2> /dev/null
  30
  31                         mac=$(macaddr_add $mac 1)
  32
  33                         ip link set dev lan0 address $mac 2>/dev/null
  34                         ip link set dev lan1 address $mac 2>/dev/null
  35                         ip link set dev lan2 address $mac 2>/dev/null
  36                         ip link set dev lan3 address $mac 2>/dev/null
  37                 fi
  38         fi
  39 }
  40
  41 preinit_set_mac_address() {
  42         local rootpart
  43
  44         case $(board_name) in
  45         bananapi,bpi-r2)
  46                 rootpart=$(cat /proc/cmdline)
  47                 rootpart="${rootpart##*root=}"
  48                 rootpart="${rootpart%%p3 *}"
  49                 if [ "$rootpart" = "/dev/mmcblk0" -o "$rootpart" = "/dev/mmcblk1" ]; then
  50                         set_recovery_mac_address ${rootpart}p2
  51                 fi
  52                 ;;
  53         unielec,u7623-02-emmc-512m)
  54                 set_recovery_mac_address /dev/mmcblk0p1
  55                 ;;
  56         esac
  57 }
  58
  59 boot_hook_add preinit_main preinit_set_mac_address