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path: root/tests/dpdk/dpdk_scripts/run_l2fwd.sh
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#!/bin/bash

set -x

# Setting variables
DPDK_VERSION=dpdk-18.02
ROOTDIR=/tmp/openvpp-testing
TESTPMDLOG=screenlog.0
PWDDIR=$(pwd)

# Setting command line arguments
cpu_corelist=$1
nb_cores=$2
queue_nums=$3
jumbo_frames=$4
arch=${5:-"x86_64"}

# dpdk prefers "arm64" to "aarch64" and does not allow arm64 native target
if [ $arch == "aarch64" ]; then
    arch="arm64"
    machine="armv8a"
else
    machine="native"
fi

# Try to kill the testpmd
sudo pgrep testpmd
if [ $? -eq "0" ]; then
    success=false
    sudo pkill testpmd
    echo "RC = $?"
    for attempt in {1..5}; do
        echo "Checking if testpmd is still alive, attempt nr ${attempt}"
        sudo pgrep testpmd
        if [ $? -eq "1" ]; then
            echo "testpmd is dead"
            success=true
            break
        fi
        echo "testpmd is still alive, waiting 1 second"
        sleep 1
    done
    if [ "$success" = false ]; then
        echo "The command sudo pkill testpmd failed"
        sudo pkill -9 testpmd
        echo "RC = $?"
        exit 1
    fi
else
    echo "testpmd is not running"
fi

# Try to kill the l3fwd
sudo pgrep l3fwd
if [ $? -eq "0" ]; then
    success=false
    sudo pkill l3fwd
    echo "RC = $?"
    for attempt in {1..5}; do
        echo "Checking if l3fwd is still alive, attempt nr ${attempt}"
        sudo pgrep l3fwd
        if [ $? -eq "1" ]; then
            echo "l3fwd is dead"
            success=true
            break
        fi
        echo "l3fwd is still alive, waiting 1 second"
        sleep 1
    done
    if [ "$success" = false ]; then
        echo "The command sudo pkill l3fwd failed"
        sudo pkill -9 l3fwd
        echo "RC = $?"
        exit 1
    fi
else
    echo "l3fwd is not running"
fi

# Remove hugepages
sudo rm -f /dev/hugepages/*

sleep 2

cd ${ROOTDIR}/${DPDK_VERSION}/
rm -f ${TESTPMDLOG}
TESTPMD_BIN=./${arch}-${machine}-linuxapp-gcc/app/testpmd

if [ "$jumbo_frames" = "yes" ]; then
    sudo sh -c "screen -dmSL DPDK-test $TESTPMD_BIN \
        -l ${cpu_corelist} -n 4 --log-level 8 -- \
        --numa \
        --nb-ports=2 \
        --portmask=0x3 \
        --nb-cores=${nb_cores} \
        --max-pkt-len=9000 \
        --tx-offloads=0 \
        --forward-mode=io \
        --rxq=${queue_nums} \
        --txq=$((${nb_cores} + 1)) \
        --burst=64 \
        --rxd=1024 \
        --txd=1024 \
        --disable-link-check \
        --auto-start"
else
    sudo sh -c "screen -dmSL DPDK-test $TESTPMD_BIN \
        -l ${cpu_corelist} -n 4 --log-level 8 -- \
        --numa \
        --nb-ports=2 \
        --portmask=0x3 \
        --nb-cores=${nb_cores} \
        --forward-mode=io \
        --rxq=${queue_nums} \
        --txq=$((${nb_cores} + 1)) \
        --burst=64 \
        --rxd=1024 \
        --txd=1024 \
        --disable-link-check \
        --auto-start"
fi

sleep 10
less -r ${TESTPMDLOG}

cd ${PWDDIR}