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#!/bin/bash
##############################################################################
# Copyright (c) 2017 ZTE corporation and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
#!/bin/sh
set -e
# Commandline arguments
SRC_IP=$1 # source IP address of sender in VM A
DST_IP=$2 # destination IP address of receiver in VM A
FWD_REV_MAC=$3 # MAC address of forwarding receiver in VM B
FWD_SEND_MAC=$4 # MAC address of forwarding sender in VM B
RATE=$5 # packet rate in percentage
PKT_SIZE=$6 # packet size
ETH1=$7
ETH2=$8
DPDK_VERSION="dpdk-17.02"
PKTGEN_VERSION="pktgen-3.2.12"
load_modules()
{
if lsmod | grep "uio" &> /dev/null ; then
echo "uio module is loaded"
else
modprobe uio
fi
if lsmod | grep "igb_uio" &> /dev/null ; then
echo "igb_uio module is loaded"
else
insmod /opt/tempT/$DPDK_VERSION/x86_64-native-linuxapp-gcc/kmod/igb_uio.ko
fi
if lsmod | grep "rte_kni" &> /dev/null ; then
echo "rte_kni module is loaded"
else
insmod /opt/tempT/$DPDK_VERSION/x86_64-native-linuxapp-gcc/kmod/rte_kni.ko
fi
}
change_permissions()
{
chmod 777 /sys/bus/pci/drivers/virtio-pci/*
chmod 777 /sys/bus/pci/drivers/igb_uio/*
}
add_interface_to_dpdk(){
ip link set $ETH1 down
ip link set $ETH2 down
interfaces=$(lspci |grep Eth |tail -n +2 |awk '{print $1}')
/opt/tempT/$DPDK_VERSION/usertools/dpdk-devbind.py --bind=igb_uio $interfaces
}
create_pktgen_config_lua()
{
touch /home/ubuntu/pktgen_latency.lua
lua_file="/home/ubuntu/pktgen_latency.lua"
chmod 777 $lua_file
echo $lua_file
cat << EOF > "/home/ubuntu/pktgen_latency.lua"
package.path = package.path ..";?.lua;test/?.lua;app/?.lua;"
-- require "Pktgen";
function pktgen_config()
pktgen.screen("off");
pktgen.set_ipaddr("0", "dst", "$DST_IP");
pktgen.set_ipaddr("0", "src", "$SRC_IP/24");
pktgen.set_mac("0", "$FWD_REV_MAC");
pktgen.set_ipaddr("1", "dst", "$SRC_IP");
pktgen.set_ipaddr("1", "src", "$DST_IP/24");
pktgen.set_mac("1", "$FWD_SEND_MAC");
pktgen.set(0, "rate", $RATE);
pktgen.set(0, "size", $PKT_SIZE);
pktgen.set_proto("all", "udp");
pktgen.latency("all","enable");
pktgen.latency("all","on");
pktgen.start(0);
end
pktgen_config()
EOF
}
create_expect_file()
{
touch /home/ubuntu/pktgen.exp
expect_file="/home/ubuntu/pktgen.exp"
chmod 777 $expect_file
echo $expect_file
cat << 'EOF' > "/home/ubuntu/pktgen.exp"
#!/usr/bin/expect
set blacklist [lindex $argv 0]
set log [lindex $argv 1]
set result {}
set timeout 15
spawn ./app/app/x86_64-native-linuxapp-gcc/pktgen -c 0x07 -n 4 -b $blacklist -- -P -m "1.0, 2.1" -f /home/ubuntu/pktgen_latency.lua
expect "Pktgen>"
send "\n"
expect "Pktgen>"
send "on\n"
expect "Pktgen>"
set count 10
while { $count } {
send "page latency\n"
expect -re "(..*)"
set result "${result}$expect_out(0,string)"
set timeout 1
set count [expr $count-1]
}
send "stop 0\n"
expect "Pktgen>"
send "quit\n"
expect "#"
set file [ open $log w ]
puts $file $result
EOF
}
run_pktgen()
{
blacklist=$(lspci |grep Eth |awk '{print $1}'|head -1)
cd /opt/tempT/$PKTGEN_VERSION
touch /home/ubuntu/result.log
result_log="/home/ubuntu/result.log"
sudo expect /home/ubuntu/pktgen.exp $blacklist $result_log
}
main()
{
load_modules
change_permissions
create_pktgen_config_lua
create_expect_file
add_interface_to_dpdk
run_pktgen
}
main
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