Not sure this is very important: so far we managed to avoid using tcpdump in the tests. Would it be possible to use ovs-ofctl monitor?
In any case, maybe, it shouldn't be prefixed by sudo 2017-03-24 2:15 GMT-07:00 Darrell Ball <dlu...@gmail.com>: > Two new tests are added and two other tests were > enhanced. > > Signed-off-by: Darrell Ball <dlu...@gmail.com> > --- > tests/atlocal.in | 3 ++ > tests/system-traffic.at | 109 > +++++++++++++++++++++++++++++++++++++++++++++++- > 2 files changed, 110 insertions(+), 2 deletions(-) > > diff --git a/tests/atlocal.in b/tests/atlocal.in > index bc2480b..67ebf0d 100644 > --- a/tests/atlocal.in > +++ b/tests/atlocal.in > @@ -152,6 +152,9 @@ else > NC_EOF_OPT="-q 1" > fi > > +# Set HAVE_TCPDUMP > +find_command tcpdump > + > CURL_OPT="-g -v --max-time 1 --retry 2 --retry-delay 1 --connect-timeout 1" > > # Turn off proxies. > diff --git a/tests/system-traffic.at b/tests/system-traffic.at > index 9861fb1..59eae7e 100644 > --- a/tests/system-traffic.at > +++ b/tests/system-traffic.at > @@ -2668,6 +2668,7 @@ AT_CLEANUP > > AT_SETUP([conntrack - ICMP related with NAT]) > AT_SKIP_IF([test $HAVE_NC = no]) > +AT_SKIP_IF([test $HAVE_TCPDUMP = no]) > CHECK_CONNTRACK() > CHECK_CONNTRACK_NAT() > OVS_TRAFFIC_VSWITCHD_START() > @@ -2703,6 +2704,10 @@ table=10 priority=0 action=drop > > AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt]) > > +rm p0.pcap > +tcpdump -U -i ovs-p0 -w p0.pcap & > +sleep 1 > + > dnl UDP packets from ns0->ns1 should solicit "destination unreachable" > response. > NS_CHECK_EXEC([at_ns0], [bash -c "echo a | nc $NC_EOF_OPT -u 10.1.1.2 > 10000"]) > > @@ -2724,6 +2729,8 @@ AT_CHECK([ovs-appctl dpctl/dump-conntrack | > FORMAT_CT(10.1.1.2) | sed -e 's/dst= > > udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.2XX,sport=<cleared>,dport=<cleared>),mark=1 > ]) > > +AT_CHECK([sudo tcpdump -v "icmp" -r p0.pcap 2>/dev/null | egrep > 'wrong|bad'], [1], [ignore-nolog]) > + > OVS_TRAFFIC_VSWITCHD_STOP > AT_CLEANUP > > @@ -3028,7 +3035,7 @@ dnl Check that ct(nat,table=foo) works with TCP > sequence adjustment with > dnl an ACL table based on matching on conntrack original direction tuple > only. > CHECK_FTP_NAT_ORIG_TUPLE([seqadj], [10.1.1.240], [0x0a0101f0]) > > -AT_SETUP([conntrack - IPv6 HTTP with NAT]) > +AT_SETUP([conntrack - IPv6 HTTP with SNAT]) > CHECK_CONNTRACK() > CHECK_CONNTRACK_NAT() > OVS_TRAFFIC_VSWITCHD_START() > @@ -3039,15 +3046,17 @@ ADD_VETH(p0, at_ns0, br0, "fc00::1/96") > NS_CHECK_EXEC([at_ns0], [ip link set dev p0 address 80:88:88:88:88:88]) > ADD_VETH(p1, at_ns1, br0, "fc00::2/96") > NS_CHECK_EXEC([at_ns1], [ip -6 neigh add fc00::240 lladdr 80:88:88:88:88:88 > dev p1]) > +NS_CHECK_EXEC([at_ns1], [ip -6 neigh add fc00::241 lladdr 80:88:88:88:88:88 > dev p1]) > > dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from > ns1->ns0. > AT_DATA([flows.txt], [dnl > priority=1,action=drop > priority=10,icmp6,action=normal > -priority=100,in_port=1,ip6,action=ct(commit,nat(src=fc00::240)),2 > +priority=100,in_port=1,ip6,action=ct(commit,nat(src=fc00::240-fc00::241)),2 > priority=100,in_port=2,ct_state=-trk,ip6,action=ct(nat,table=0) > priority=100,in_port=2,ct_state=+trk+est,ip6,action=1 > > priority=200,in_port=2,ct_state=+trk+new,icmp6,icmpv6_code=0,icmpv6_type=135,nd_target=fc00::240,action=ct(commit,nat(dst=fc00::1)),1 > +priority=200,in_port=2,ct_state=+trk+new,icmp6,icmpv6_code=0,icmpv6_type=135,nd_target=fc00::241,action=ct(commit,nat(dst=fc00::1)),1 > ]) > > AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt]) > @@ -3070,6 +3079,102 @@ NS_CHECK_EXEC([at_ns1], [wget http://[[fc00::1]] -t 3 > -T 1 -v -o wget1.log], [4] > OVS_TRAFFIC_VSWITCHD_STOP > AT_CLEANUP > > +AT_SETUP([conntrack - IPv6 HTTP with DNAT]) > +CHECK_CONNTRACK() > +CHECK_CONNTRACK_NAT() > +OVS_TRAFFIC_VSWITCHD_START() > + > +ADD_NAMESPACES(at_ns0, at_ns1) > + > +ADD_VETH(p0, at_ns0, br0, "fc00::1/96") > +ADD_VETH(p1, at_ns1, br0, "fc00::2/96") > +NS_CHECK_EXEC([at_ns0], [ip -6 link set dev p0 address 80:88:88:88:88:77]) > +NS_CHECK_EXEC([at_ns1], [ip -6 link set dev p1 address 80:88:88:88:88:88]) > +NS_CHECK_EXEC([at_ns0], [ip -6 neigh add fc00::240 lladdr 80:88:88:88:88:88 > dev p0]) > +NS_CHECK_EXEC([at_ns1], [ip -6 neigh add fc00::1 lladdr 80:88:88:88:88:77 > dev p1]) > + > +dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from > ns1->ns0. > +AT_DATA([flows.txt], [dnl > +priority=100 > in_port=1,ip6,ipv6_dst=fc00::240,action=ct(zone=1,nat(dst=fc00::2),commit),2 > +priority=100 in_port=2,ct_state=-trk,ip6,action=ct(table=0,nat,zone=1) > +priority=100 in_port=2,ct_state=+trk+est,ct_zone=1,ip6,action=1 > +]) > + > +AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt]) > + > +dnl Linux seems to take a little time to get its IPv6 stack in order. Without > +dnl waiting, we get occasional failures due to the following error: > +dnl "connect: Cannot assign requested address" > +OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::240]) > + > +NS_CHECK_EXEC([at_ns0], [ping6 -q -c 3 -i 0.3 -w 2 fc00::240 | FORMAT_PING], > [0], [dnl > +3 packets transmitted, 3 received, 0% packet loss, time 0ms > +]) > + > +dnl Should work with the virtual IP address through NAT > +OVS_START_L7([at_ns1], [http6]) > +NS_CHECK_EXEC([at_ns0], [wget http://[[fc00::240]] -t 5 -T 1 > --retry-connrefused -v -o wget0.log]) > + > +AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::1)], [0], [dnl > +icmpv6,orig=(src=fc00::1,dst=fc00::240,id=<cleared>,type=128,code=0),reply=(src=fc00::2,dst=fc00::1,id=<cleared>,type=129,code=0),zone=1 > +tcp,orig=(src=fc00::1,dst=fc00::240,sport=<cleared>,dport=<cleared>),reply=(src=fc00::2,dst=fc00::1,sport=<cleared>,dport=<cleared>),zone=1,protoinfo=(state=<cleared>) > +]) > + > +OVS_TRAFFIC_VSWITCHD_STOP > +AT_CLEANUP > + > +AT_SETUP([conntrack - IPv6 ICMP6 Related with SNAT]) > +AT_SKIP_IF([test $HAVE_TCPDUMP = no]) > +CHECK_CONNTRACK() > +CHECK_CONNTRACK_NAT() > +OVS_TRAFFIC_VSWITCHD_START() > + > +ADD_NAMESPACES(at_ns0, at_ns1) > + > +ADD_VETH(p0, at_ns0, br0, "fc00::1/96") > +ADD_VETH(p1, at_ns1, br0, "fc00::2/96") > +NS_CHECK_EXEC([at_ns0], [ip -6 link set dev p0 address 80:88:88:88:88:77]) > +NS_CHECK_EXEC([at_ns1], [ip -6 link set dev p1 address 80:88:88:88:88:88]) > + > +NS_CHECK_EXEC([at_ns0], [ip -6 neigh add fc00::2 lladdr 80:88:88:88:88:88 > dev p0]) > +NS_CHECK_EXEC([at_ns0], [ip -6 neigh add fc00::3 lladdr 80:88:88:88:88:88 > dev p0]) > +NS_CHECK_EXEC([at_ns1], [ip -6 neigh add fc00::240 lladdr 80:88:88:88:88:77 > dev p1]) > +NS_CHECK_EXEC([at_ns1], [ip -6 neigh add fc00::1 lladdr 80:88:88:88:88:77 > dev p1]) > + > +NS_CHECK_EXEC([at_ns0], [route -A inet6 add default gw fc00::2]) > + > +dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from > ns1->ns0. > +AT_DATA([flows.txt], [dnl > +priority=100 in_port=1,ip6,action=ct(nat(src=fc00::240),commit),2 > +priority=100 in_port=2,ct_state=-trk,ip6,action=ct(table=0,nat) > +priority=100 in_port=2,ct_state=+trk+est,ip6,action=1 > +priority=100 in_port=2,ct_state=+trk+rel,ip6,action=1 > +]) > + > +AT_CHECK([ovs-ofctl --bundle add-flows br0 flows.txt]) > + > +dnl Linux seems to take a little time to get its IPv6 stack in order. Without > +dnl waiting, we get occasional failures due to the following error: > +dnl "connect: Cannot assign requested address" > +OVS_WAIT_UNTIL([ip netns exec at_ns0 ping6 -c 1 fc00::2]) > + > +AT_CHECK([ovs-appctl dpctl/flush-conntrack]) > + > +rm p0.pcap > +tcpdump -U -i ovs-p0 -w p0.pcap & > +sleep 1 > + > +dnl UDP packets from ns0->ns1 should solicit "destination unreachable" > response. > +NS_CHECK_EXEC([at_ns0], [bash -c "echo a | nc -6 $NC_EOF_OPT -u fc00::2 1"]) > + > +AT_CHECK([sudo tcpdump -v "icmp6" -r p0.pcap 2>/dev/null | egrep > 'wrong|bad'], [1], [ignore-nolog]) > + > +AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(fc00::2)], [0], [dnl > +udp,orig=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),reply=(src=fc00::2,dst=fc00::240,sport=<cleared>,dport=<cleared>) > +]) > + > +OVS_TRAFFIC_VSWITCHD_STOP > +AT_CLEANUP > > AT_SETUP([conntrack - IPv6 FTP with NAT]) > AT_SKIP_IF([test $HAVE_FTP = no]) > -- > 1.9.1 > > _______________________________________________ > dev mailing list > d...@openvswitch.org > https://mail.openvswitch.org/mailman/listinfo/ovs-dev _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
