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#!/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. Two CPU example. We add eth1 to the first
# and leave the second idle.
PGDEV=/proc/net/pktgen/kpktgend_0
echo "Removing all devices"
pgset "rem_device_all"
echo "Adding eth1"
pgset "add_device eth1"
# We need to remove old config since we dont use this thread. We can only
# one NIC on one CPU due to affinity reasons.
PGDEV=/proc/net/pktgen/kpktgend_1
echo "Removing all devices"
pgset "rem_device_all"
# device config
# delay 0 means maximum speed.
CLONE_SKB="clone_skb 1000000"
# NIC adds 4 bytes CRC
PKT_SIZE="pkt_size 60"
# 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 "dst 10.10.11.2"
pgset "dst_mac 00:04:23:08:91:dc"
# Time to run
PGDEV=/proc/net/pktgen/pgctrl
echo "Running... ctrl^C to stop"
pgset "start"
echo "Done"
# Result can be vieved in /proc/net/pktgen/eth1
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