#!/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" trap true INT pgset "start" echo "Done" # Result can be vieved in /proc/net/pktgen/eth1