test-vf-rep-iperf.sh

#!/bin/bash
#
# Bug SW #1040416: slow path xmit on VF reps broken
#
# with tcpdump we could see traffic VF->rep works but rep->VF doesn't.
#

NIC=${1:-ens5f0}
VF=${2:-ens5f2}
REP=${3:-ens5f0_0}
my_dir="$(dirname "$0")"
. $my_dir/common.sh

IP1="7.7.7.1"
IP2="7.7.7.2"

enable_switchdev_if_no_rep $REP
bind_vfs

function cleanup() {
    ip netns del ns0 2> /dev/null
    ifconfig $REP 0
}

cleanup
ifconfig $REP $IP1/24 up
ip netns add ns0
ip link set $VF netns ns0
ip netns exec ns0 ifconfig $VF $IP2/24 up

title "Test iperf REP($IP1) -> VF($IP2)"
timeout 7 ip netns exec ns0 iperf -s &
sleep 0.5
iperf -c $IP2 -P4 -t 5
sleep 0.5 
killall -9 iperf

title "Test ping VF($IP2) -> REP($IP1)"
timeout 7 iperf -s & 
sleep 0.5
ip netns exec ns0 iperf -c $IP1 -P4 -t 5
sleep 0.5
killall -9 iperf

cleanup
test_done