target/linux/ramips/base-files/lib/preinit/07_set_preinit_iface_ramips

   1 #!/bin/sh
   2 #
   3 # Copyright (C) 2013 OpenWrt.org
   4 #
   5
   6 . /lib/functions.sh
   7
   8 ramips_switchdev_from_soc() {
   9         # The ethernet switch driver enables VLAN by default, but
  10         # failsafe uses eth0, making the device unreachable:
  11         # https://dev.openwrt.org/ticket/18768
  12
  13         local switchdev
  14         local RT3X5X=$(grep -E "(RT3.5|RT5350|MT7628|MT7688|MT7620|MT7621)" /proc/cpuinfo)
  15
  16         [ -n "$RT3X5X" ] || return 1
  17
  18         case "$RT3X5X" in
  19         *MT7620*)
  20                 switchdev=mt7620
  21                 ;;
  22         *MT7621*)
  23                 switchdev=mt7530
  24                 ;;
  25         *)
  26                 switchdev=rt305x
  27                 ;;
  28         esac
  29
  30         echo "$switchdev"
  31 }
  32
  33 ramips_switchdev_from_board() {
  34         # For these devices, external ethernet switch should be used
  35         # instead of the SoC internal switch.
  36
  37         local switchdev
  38         local board=$(board_name)
  39
  40         case "$board" in
  41         esac
  42
  43         echo "$switchdev"
  44 }
  45
  46 ramips_set_preinit_iface() {
  47         local switchdev=$(ramips_switchdev_from_board)
  48         [ -n "$switchdev" ] || switchdev=$(ramips_switchdev_from_soc)
  49
  50         if [ -n "$switchdev" ]; then
  51                 swconfig dev $switchdev set reset 1
  52                 swconfig dev $switchdev set enable_vlan 0
  53                 swconfig dev $switchdev set apply 1
  54         fi
  55
  56         ifname=eth0
  57 }
  58
  59 boot_hook_add preinit_main ramips_set_preinit_iface