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