#!/bin/bash
#modprobe pktgen
function pgset() {
local result
echo $1 > $PGDEV
result=`cat $PGDEV | fgrep "Result: OK:"`
if [ "$result" = "" ]; then
cat $PGDEV | fgrep Result:
fi
}
# Config Start Here -----------------------------------------------------------
# thread config
# Each CPU has its own thread. One CPU example. We add eth1.
# IPv6. Note increase in minimal packet length
PGDEV=/proc/net/pktgen/kpktgend_0
echo "Removing all devices"
pgset "rem_device_all"
echo "Adding eth1"
pgset "add_device eth1"
# device config
# delay 0 means maximum speed.
# We need to do alloc for every skb since we cannot clone here.
CLONE_SKB="clone_skb 0"
# NIC adds 4 bytes CRC
PKT_SIZE="pkt_size 66"
# COUNT 0 means forever
#COUNT="count 0"
COUNT="count 10000000"
DELAY="delay 0"
PGDEV=/proc/net/pktgen/eth1
echo "Configuring $PGDEV"
pgset "$COUNT"
pgset "$CLONE_SKB"
pgset "$PKT_SIZE"
pgset "$DELAY"
pgset "dst6_min fec0::1"
pgset "dst6_max fec0::FFFF:FFFF"
pgset "dst_mac 00:04:23:08:91:dc"
# Time to run
PGDEV=/proc/net/pktgen/pgctrl
echo "Running... ctrl^C to stop"
trap true INT
pgset "start"
echo "Done"
cat /proc/net/pktgen/eth1
value='packet-loop-back'>packet-loop-back