target/linux/brcm47xx/base-files/lib/preinit/15_set_preinit_interface_brcm

   1 #!/bin/sh
   2
   3 preinit_ip() {
   4         # if the preinit interface isn't specified and ifname is set in
   5         # preinit.arch use that interface
   6         if [ -z "$pi_ifname" ]; then
   7                 pi_ifname=$ifname
   8         fi
   9
  10         [ -n "$pi_ifname" ] && grep -q "$pi_ifname" /proc/net/dev && {
  11                 ifconfig $pi_ifname $pi_ip netmask $pi_netmask broadcast $pi_broadcast up
  12
  13                 local try=0;
  14                 while [ $((try++)) -le 5 ] && [ ! "$(cat /sys/class/net/$pi_ifname/operstate)" = "up" ]; do sleep 1; done
  15         }
  16 }