#! /bin/bash

if [ -e /proc/modules ] ; then

	modprobe pg3 >& /dev/null

	modprobe pktgen >& /dev/null

fi

for PGDEV in /proc/net/pg /proc/net/pktgen/pg0 / ; do

	[ -e ${PGDEV} ] && break

done

if [ "${PGDEV}" = "/" ] ; then

	echo "Could not locate pg in /proc/net" 1>&2

	exit 1

fi

function pgset() {

    local result

    echo $1 > ${PGDEV}

    result=`cat ${PGDEV} | fgrep "Result: OK:"`

    if [ "$result" = "" ]; then

         cat ${PGDEV} | fgrep Result:

    fi

}

function pg() {

    echo inject > ${PGDEV}

    cat ${PGDEV}

}

pgset "odev eth0"

pgset "dst 0.0.0.0"