On Thu, Sep 16, 2021 at 11:38:52AM +0300, Chris Mi wrote:
> Add two sFlow offload test caes:
> 
>   3: sflow offloads with sampling=1 - ping between two ports - offloads 
> enabled ok
>   4: sflow offloads with sampling=2 - ping between two ports - offloads 
> enabled ok
> 
> Signed-off-by: Chris Mi <[email protected]>

Thanks Chris,

These tests look good to me. But could we arrange things such
that they are skipped if the system doesn't support this offload.

Likewise, I think we should make an effort to make all tests in this file
match that pattern. I do acknowledge that Corigine seem to have added some
tests to this file that don't comply with this request, that was an
oversight on my part, sorry.

> ---
>  tests/system-offloads-traffic.at | 84 ++++++++++++++++++++++++++++++++
>  1 file changed, 84 insertions(+)
> 
> diff --git a/tests/system-offloads-traffic.at 
> b/tests/system-offloads-traffic.at
> index be63057bb..f263c9183 100644
> --- a/tests/system-offloads-traffic.at
> +++ b/tests/system-offloads-traffic.at
> @@ -5,6 +5,7 @@ AT_BANNER([datapath offloads])
>  # Normilizes output ports, recirc_id, packets and macs.
>  #
>  m4_define([DUMP_CLEAN_SORTED], [sed -e 
> 's/used:[[0-9]].[[0-9]]*s/used:0.001s/;s/eth(src=[[a-z0-9:]]*,dst=[[a-z0-9:]]*)/eth(macs)/;s/actions:[[0-9,]]*/actions:output/;s/recirc_id(0),//'
>  | sort])
> +m4_define([DUMP_CLEAN_SORTED_SFLOW], [sed -e 
> 's/used:[[0-9]].[[0-9]]*s/used:0.001s/;s/eth(src=[[a-z0-9:]]*,dst=[[a-z0-9:]]*)/eth(macs)/;s/actions:.*$/actions:output/;s/recirc_id(0),//'
>  | sort])
>  
>  AT_SETUP([offloads - ping between two ports - offloads disabled])
>  OVS_TRAFFIC_VSWITCHD_START()
> @@ -71,6 +72,89 @@ AT_CHECK([ovs-appctl upcall/show | grep -E "offloaded 
> flows : [[1-9]]"], [0], [i
>  OVS_TRAFFIC_VSWITCHD_STOP
>  AT_CLEANUP
>  
> +AT_SETUP([sflow offloads with sampling=1 - ping between two ports - offloads 
> enabled])
> +OVS_TRAFFIC_VSWITCHD_START()
> +
> +on_exit 'kill `cat test-sflow.pid`'
> +AT_CHECK([ovstest test-sflow --log-file --detach --no-chdir --pidfile 
> 0:127.0.0.1 > sflow.log], [0], [], [ignore])
> +AT_CAPTURE_FILE([sflow.log])
> +PARSE_LISTENING_PORT([test-sflow.log], [SFLOW_PORT])
> +
> +AT_CHECK([ovs-vsctl set Open_vSwitch . other_config:hw-offload=true])
> +
> +AT_CHECK([ovs-appctl -t ovsdb-server exit])
> +AT_CHECK([ovs-appctl -t ovs-vswitchd exit])
> +AT_CHECK([rm -f ovsdb-server.pid])
> +AT_CHECK([rm -f ovs-vswitchd.pid])
> +AT_CHECK([ovsdb-server --detach --no-chdir --pidfile --log-file 
> --remote=punix:$OVS_RUNDIR/db.sock], [0], [], [stderr])
> +AT_CHECK([ovs-vswitchd --detach --no-chdir --pidfile --log-file -vvconn 
> -vofproto_dpif -vunixctl], [0], [], [stderr])
> +on_exit "kill `cat ovsdb-server.pid`"
> +on_exit "kill_ovs_vswitchd `cat ovs-vswitchd.pid`"
> +
> +AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])
> +
> +ADD_NAMESPACES(at_ns0, at_ns1)
> +
> +ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
> +ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")
> +AT_CHECK([ovs-appctl dpctl/dump-flows], [0], [ignore])
> +
> +NS_CHECK_EXEC([at_ns0], [ping -c 10 -w 12 10.1.1.2 | FORMAT_PING], [0], [dnl
> +10 packets transmitted, 10 received, 0% packet loss, time 0ms
> +])
> +AT_CHECK([ovs-vsctl -- --id=@sflow create sflow agent=lo 
> target=\"127.0.0.1:$SFLOW_PORT\" header=128 sampling=1 polling=100 -- set 
> bridge br0 sflow=@sflow], [0], [ignore])
> +NS_CHECK_EXEC([at_ns0], [ping -c 10 -w 12 10.1.1.2 | FORMAT_PING], [0], [dnl
> +10 packets transmitted, 10 received, 0% packet loss, time 0ms
> +])
> +
> +AT_CHECK([ovs-appctl dpctl/dump-flows type=tc,offloaded | grep 
> "actions:userspace" |grep "sFlow" | grep "eth_type(0x0800)" | 
> DUMP_CLEAN_SORTED_SFLOW], [0], [dnl
> +in_port(2),eth(macs),eth_type(0x0800),ipv4(frag=no), packets:10, bytes:840, 
> used:0.001s, actions:output
> +in_port(3),eth(macs),eth_type(0x0800),ipv4(frag=no), packets:10, bytes:840, 
> used:0.001s, actions:output
> +])
> +
> +OVS_TRAFFIC_VSWITCHD_STOP
> +OVS_APP_EXIT_AND_WAIT([test-sflow])
> +count=`cat sflow.log | wc -l`
> +AT_CHECK([[[[ $count -le 22 && $count -ge 18 ]]]])
> +AT_CLEANUP
> +
> +AT_SETUP([sflow offloads with sampling=2 - ping between two ports - offloads 
> enabled])
> +OVS_TRAFFIC_VSWITCHD_START()
> +
> +on_exit 'kill `cat test-sflow.pid`'
> +AT_CHECK([ovstest test-sflow --log-file --detach --no-chdir --pidfile 
> 0:127.0.0.1 > sflow.log], [0], [], [ignore])
> +AT_CAPTURE_FILE([sflow.log])
> +PARSE_LISTENING_PORT([test-sflow.log], [SFLOW_PORT])
> +
> +AT_CHECK([ovs-vsctl set Open_vSwitch . other_config:hw-offload=true])
> +
> +AT_CHECK([ovs-appctl -t ovsdb-server exit])
> +AT_CHECK([ovs-appctl -t ovs-vswitchd exit])
> +AT_CHECK([rm -f ovsdb-server.pid])
> +AT_CHECK([rm -f ovs-vswitchd.pid])
> +AT_CHECK([ovsdb-server --detach --no-chdir --pidfile --log-file 
> --remote=punix:$OVS_RUNDIR/db.sock], [0], [], [stderr])
> +AT_CHECK([ovs-vswitchd --detach --no-chdir --pidfile --log-file -vvconn 
> -vofproto_dpif -vunixctl], [0], [], [stderr])
> +on_exit "kill `cat ovsdb-server.pid`"
> +on_exit "kill_ovs_vswitchd `cat ovs-vswitchd.pid`"
> +
> +AT_CHECK([ovs-ofctl add-flow br0 "actions=normal"])
> +
> +ADD_NAMESPACES(at_ns0, at_ns1)
> +
> +ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
> +ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")
> +AT_CHECK([ovs-appctl dpctl/dump-flows], [0], [ignore])
> +
> +AT_CHECK([ovs-vsctl -- --id=@sflow create sflow agent=lo 
> target=\"127.0.0.1:$SFLOW_PORT\" header=128 sampling=2 polling=100 -- set 
> bridge br0 sflow=@sflow], [0], [ignore])
> +NS_CHECK_EXEC([at_ns0], [ping -c 1000 -i 0.01 -w 12 10.1.1.2], [0], [ignore])
> +AT_CHECK([ovs-appctl dpctl/dump-flows type=tc,offloaded | grep 
> "actions:sample" | grep "sFlow" | grep "eth_type(0x0800)"], [0], [ignore])
> +
> +OVS_TRAFFIC_VSWITCHD_STOP
> +OVS_APP_EXIT_AND_WAIT([test-sflow])
> +count=`cat sflow.log | wc -l`
> +AT_CHECK([[[[ $count -le 1100 && $count -ge 900 ]]]])
> +AT_CLEANUP
> +
>  AT_SETUP([offloads - set ingress_policing_rate and ingress_policing_burst - 
> offloads disabled])
>  AT_KEYWORDS([ingress_policing])
>  AT_SKIP_IF([test $HAVE_TC = "no"])
> -- 
> 2.27.0
> 
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