#!/bin/bash

. /etc/init.d/functions.sh

MAX_TRIES=50

preup() {
	if [ "${IFACE}" = "wlan0" ]; then
		sudo killall dhcpcd 2>/dev/null
		lsmod \
			| grep -q iwl4965 \
			&& sudo modprobe -r iwl4965 \
			&& einfo "Reloading iwl4965 kernel module"
		sleep 1
		sudo modprobe iwl4965
	fi

	# Remember to return 0 on success
	return 0
}

postdown() {
	if [ "${IFACE}" = "wlan0" ]; then
		lsmod | grep -q iwl4965 && modprobe -r iwl4965 mac80211
	fi
}

for ((i=1; i<=MAX_TRIES; i++)); do
	ebegin "Try $i"
	IFACE="wlan0" preup
	if sudo /etc/init.d/net.wlan0 restart 2>&1 \
			| grep -v -e err -e 'Operation not supported'; then
		eend $?
		break
	fi
	eend 1
done