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path: root/nfvbenchvm/dib/elements/nfvbenchvm/static/etc/rc.d/rc.local
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#!/bin/bash

touch /var/lock/subsys/local

# Waiting for cloud-init to generate $TESTPMD_CONF, retry 60 seconds
NFVBENCH_CONF=/etc/nfvbenchvm.conf
retry=30
until [ $retry -eq 0 ]; do
    if [ -f $NFVBENCH_CONF ]; then break; fi
    retry=$[$retry-1]
    sleep 2
done
if [ ! -f $NFVBENCH_CONF ]; then
    exit 0
fi

# Parse and obtain all configurations
echo "Generating configurations for forwarder..."
eval $(cat $NFVBENCH_CONF)
touch /nfvbench_configured.flag
NICS=`lspci -D | grep Ethernet | cut -d' ' -f1 | xargs`
PCI_ADDRESS_1=`echo $NICS | awk '{ print $1 }'`
PCI_ADDRESS_2=`echo $NICS | awk '{ print $2 }'`
CPU_CORES=`grep -c ^processor /proc/cpuinfo`
CPU_MASKS=0x`echo "obase=16; 2 ^ $CPU_CORES - 1" | bc`
WORKER_CORES=`expr $CPU_CORES - 1`

# CPU isolation optimizations
echo 1 > /sys/bus/workqueue/devices/writeback/cpumask
echo 1 > /sys/devices/virtual/workqueue/cpumask
echo 1 > /proc/irq/default_smp_affinity
for irq in `ls /proc/irq/`; do
    echo 1 > /proc/irq/$irq/smp_affinity
done
tuna -c $(seq -s, 1 1 $WORKER_CORES) --isolate

# Configure the forwarder
if [ "$FORWARDER" == "testpmd" ]; then
    echo "Configuring testpmd..."
    if [ -z "`lsmod | grep igb_uio`" ]; then
        modprobe uio
        insmod /dpdk/igb_uio.ko
    fi
    # Binding ports to DPDK
    /dpdk/dpdk-devbind.py -b igb_uio $PCI_ADDRESS_1
    /dpdk/dpdk-devbind.py -b igb_uio $PCI_ADDRESS_2
    screen -dmSL testpmd /dpdk/testpmd \
                         -c $CPU_MASKS \
                         -n 4 \
                         -- \
                             --burst=32 \
                             --txd=256 \
                             --rxd=1024 \
                             --txqflags=0xf00 \
                             --disable-hw-vlan \
                             --eth-peer=0,$TG_MAC1 \
                             --eth-peer=1,$TG_MAC2 \
                             --forward-mode=mac \
                             --nb-cores=$WORKER_CORES\
                             --max-pkt-len 9000
else
    echo "Configuring vpp..."
    cp /vpp/startup.conf /etc/vpp/startup.conf
    cp /vpp/vm.conf /etc/vpp/vm.conf

    sed -i "s/{{PCI_ADDRESS_1}}/$PCI_ADDRESS_1/g" /etc/vpp/startup.conf
    sed -i "s/{{PCI_ADDRESS_2}}/$PCI_ADDRESS_2/g" /etc/vpp/startup.conf
    sed -i "s/{{WORKER_CORES}}/$WORKER_CORES/g" /etc/vpp/startup.conf
    service vpp start

    INTFS=`vppctl show int | grep Ethernet | xargs`
    INTF_1=`echo $INTFS | awk '{ print $1 }'`
    INTF_2=`echo $INTFS | awk '{ print $4 }'`
    sed -i "s/{{INTF_1}}/${INTF_1//\//\/}/g" /etc/vpp/vm.conf
    sed -i "s/{{INTF_2}}/${INTF_2//\//\/}/g" /etc/vpp/vm.conf
    sed -i "s/{{VNF_GATEWAY1_CIDR}}/${VNF_GATEWAY1_CIDR//\//\/}/g" /etc/vpp/vm.conf
    sed -i "s/{{VNF_GATEWAY2_CIDR}}/${VNF_GATEWAY2_CIDR//\//\/}/g" /etc/vpp/vm.conf
    sed -i "s/{{TG_MAC1}}/${TG_MAC1}/g" /etc/vpp/vm.conf
    sed -i "s/{{TG_MAC2}}/${TG_MAC2}/g" /etc/vpp/vm.conf
    sed -i "s/{{TG_NET1}}/${TG_NET1//\//\/}/g" /etc/vpp/vm.conf
    sed -i "s/{{TG_NET2}}/${TG_NET2//\//\/}/g" /etc/vpp/vm.conf
    sed -i "s/{{TG_GATEWAY1_IP}}/${TG_GATEWAY1_IP}/g" /etc/vpp/vm.conf
    sed -i "s/{{TG_GATEWAY2_IP}}/${TG_GATEWAY2_IP}/g" /etc/vpp/vm.conf

    service vpp restart
fi