Improve the test by adding and varying the MTU of a vhost port to check if relevant mempools are created/(re)used.
Signed-off-by: Sunil Pai G <[email protected]> --- tests/system-dpdk.at | 61 +++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 58 insertions(+), 3 deletions(-) diff --git a/tests/system-dpdk.at b/tests/system-dpdk.at index 15f97097a..f3bf7065d 100644 --- a/tests/system-dpdk.at +++ b/tests/system-dpdk.at @@ -1123,17 +1123,72 @@ dnl -------------------------------------------------------------------------- dnl Setup user configured mempools AT_SETUP([OVS-DPDK - user configured mempool]) AT_KEYWORDS([dpdk]) +AT_SKIP_IF([! which dpdk-testpmd >/dev/null 2>/dev/null]) OVS_DPDK_PRE_CHECK() OVS_DPDK_START_OVSDB() OVS_DPDK_START_VSWITCHD() -AT_CHECK([ovs-vsctl --no-wait set Open_vSwitch . other_config:shared-mempool-config=9000,6000,1500]) +AT_CHECK([ovs-vsctl --no-wait set Open_vSwitch . other_config:shared-mempool-config=8000,6000,1500]) AT_CHECK([ovs-vsctl --no-wait set Open_vSwitch . other_config:dpdk-init=true]) -CHECK_MEMPOOL_PARAM([9000], [ALL], []) +CHECK_MEMPOOL_PARAM([8000], [ALL], []) CHECK_MEMPOOL_PARAM([6000], [ALL], []) CHECK_MEMPOOL_PARAM([1500], [ALL], []) -OVS_VSWITCHD_STOP("[SYSTEM_DPDK_ALLOWED_LOGS]") +AT_CHECK(ovs-appctl vlog/set netdev_dpdk:dbg) + +dnl Find number of sockets +AT_CHECK([lscpu], [], [stdout]) +AT_CHECK([cat stdout | grep "NUMA node(s)" | awk '{c=1; while (c++<$(3)) {printf "512,"}; print "512"}' > NUMA_NODE]) + +dnl Add userspace bridge and vhostuser-client port +AT_CHECK([ovs-vsctl add-br br10 -- set bridge br10 datapath_type=netdev]) +AT_CHECK([ovs-vsctl add-port br10 dpdkvhostuserclient0 -- set Interface dpdkvhostuserclient0 type=dpdkvhostuserclient options:vhost-server-path=$OVS_RUNDIR/dpdkvhostclient0], [], [stdout], [stderr]) +AT_CHECK([ovs-vsctl show], [], [stdout]) +sleep 2 + +dnl Parse log file for vhost init +AT_CHECK([grep "VHOST_CONFIG: vhost-user client: socket created" ovs-vswitchd.log], [], [stdout]) +AT_CHECK([grep "vHost User device 'dpdkvhostuserclient0' created in 'client' mode, using client socket" ovs-vswitchd.log], [], [stdout]) +AT_CHECK([grep "VHOST_CONFIG: $OVS_RUNDIR/dpdkvhostclient0: reconnecting..." ovs-vswitchd.log], [], [stdout]) + +dnl Execute testpmd in background +on_exit "pkill -f -x -9 'tail -f /dev/null'" +tail -f /dev/null | dpdk-testpmd --socket-mem="$(cat NUMA_NODE)" --no-pci\ + --vdev="net_virtio_user,path=$OVS_RUNDIR/dpdkvhostclient0,server=1" \ + --file-prefix page0 --single-file-segments -- -a > $OVS_RUNDIR/testpmd-dpdkvhostuserclient0.log 2>&1 & + +OVS_WAIT_UNTIL([grep "virtio is now ready for processing" ovs-vswitchd.log]) + +dnl Check if the right user configured mempool is found for default MTU (1500) +AT_CHECK([grep "Found user configured shared mempool .* suitable for port with MTU 1500" ovs-vswitchd.log], [], [stdout]) +AT_CHECK([grep "Port dpdkvhostuserclient0: Requesting a mempool" ovs-vswitchd.log], [], [stdout]) + +dnl Change the MTU value to 7000 to trigger mempool change +TMP=$(($(cat ovs-vswitchd.log | wc -l | tr -d [[:blank:]])+1)) +AT_CHECK(ovs-vsctl set Interface dpdkvhostuserclient0 mtu_request=7000) +OVS_WAIT_UNTIL([tail -n +$TMP ovs-vswitchd.log | grep "Found user configured shared mempool .* suitable for port with MTU 7000"]) +OVS_WAIT_UNTIL([tail -n +$TMP ovs-vswitchd.log | grep "Port dpdkvhostuserclient0: Requesting a mempool"]) + +dnl Change back the MTU value to 1500 to trigger mempool change (re-use) +TMP=$(($(cat ovs-vswitchd.log | wc -l | tr -d [[:blank:]])+1)) +AT_CHECK(ovs-vsctl set Interface dpdkvhostuserclient0 mtu_request=1500) +OVS_WAIT_UNTIL([tail -n +$TMP ovs-vswitchd.log | grep "Found user configured shared mempool .* suitable for port with MTU 1500"]) +OVS_WAIT_UNTIL([tail -n +$TMP ovs-vswitchd.log | grep "Reusing mempool"]) + +dnl Change the MTU value beyond the max value in shared-mempool-config list +TMP=$(($(cat ovs-vswitchd.log | wc -l | tr -d [[:blank:]])+1)) +AT_CHECK(ovs-vsctl set Interface dpdkvhostuserclient0 mtu_request=9000) +OVS_WAIT_UNTIL([tail -n +$TMP ovs-vswitchd.log | grep "No user configured shared mempool mbuf sizes found suitable for port with MTU 9000"]) +OVS_WAIT_UNTIL([tail -n +$TMP ovs-vswitchd.log | grep "Port dpdkvhostuserclient0: Requesting a mempool"]) + +dnl Clean up the testpmd now +pkill -f -x -9 'tail -f /dev/null' + +dnl Clean up +AT_CHECK([ovs-vsctl del-port br10 dpdkvhostuserclient0], [], [stdout], [stderr]) +OVS_VSWITCHD_STOP("m4_join([], [SYSTEM_DPDK_ALLOWED_LOGS], [ +\@VHOST_CONFIG: failed to connect to $OVS_RUNDIR/dpdkvhostclient0: No such file or directory@d +])") AT_CLEANUP dnl -------------------------------------------------------------------------- -- 2.37.3 _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
