When interacting with the local stack, the kernel may provide packets with existing ct state as they ingress OVS. These tests check that we are able to connection-track such packets successfully in non-zero zones, using slightly more realistic pipelines.
Signed-off-by: Joe Stringer <joestrin...@nicira.com> --- tests/system-common-macros.at | 5 +- tests/system-traffic.at | 117 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 121 insertions(+), 1 deletion(-) diff --git a/tests/system-common-macros.at b/tests/system-common-macros.at index 8f3b318..f0da589 100644 --- a/tests/system-common-macros.at +++ b/tests/system-common-macros.at @@ -124,7 +124,10 @@ m4_define([FORMAT_PING], [grep "transmitted" | sed 's/time.*ms$/time 0ms/']) # Strip content from the piped input which would differ from test to test. # m4_define([FORMAT_CT], - [[grep "dst=$1" | sed -e 's/port=[0-9]*/port=<cleared>/g' -e 's/ */ /g' -e 's/secctx[^ ]* //' | cut -d' ' -f4- | sort | uniq]]) + [[grep "dst=$1" | sed -e 's/port=[0-9]*/port=<cleared>/g' -e 's/ */ /g' \ + -e 's/secctx[^ ]* //' \ + -e 's/id=[0-9]*/id=<cleared>/g' \ + | cut -d' ' -f4- | sort | uniq]]) # NETNS_DAEMONIZE([namespace], [command], [pidfile]) # diff --git a/tests/system-traffic.at b/tests/system-traffic.at index 081531b..84f5baa 100644 --- a/tests/system-traffic.at +++ b/tests/system-traffic.at @@ -566,6 +566,123 @@ TIME_WAIT src=10.1.1.1 dst=10.1.1.2 sport=<cleared> dport=<cleared> src=10.1.1.2 OVS_TRAFFIC_VSWITCHD_STOP AT_CLEANUP +AT_SETUP([conntrack - multiple zones, local]) +CHECK_CONNTRACK() +OVS_TRAFFIC_VSWITCHD_START( + [set-fail-mode br0 secure -- ]) + +ADD_NAMESPACES(at_ns0) + +AT_CHECK([ip addr add dev br0 "10.1.1.1/24"]) +AT_CHECK([ip link set dev br0 up]) +on_exit 'ip addr del dev br0 "10.1.1.1/24"' +ADD_VETH(p0, at_ns0, br0, "10.1.1.2/24") + +dnl Allow any traffic from ns0->ns1. Only allow nd, return traffic from ns1->ns0. +AT_DATA([flows.txt], [dnl +priority=1,action=drop +priority=10,arp,action=normal +priority=100,in_port=LOCAL,ip,ct_state=-trk,action=drop +priority=100,in_port=LOCAL,ip,ct_state=+trk+new,action=ct(commit,zone=1),ct(commit,zone=2),1 +priority=100,in_port=LOCAL,ip,ct_state=+trk+est,action=ct(commit,zone=1),ct(commit,zone=2),1 +priority=100,in_port=1,ip,ct_state=-trk,action=ct(table=1,zone=1) +table=1,priority=100,in_port=1,ip,ct_state=+trk+est,ct_zone=1,action=ct(table=2,zone=2) +table=2,priority=100,in_port=1,ip,ct_state=+trk+est,ct_zone=2,action=LOCAL +]) + +AT_CHECK([ovs-ofctl add-flows br0 flows.txt]) + +AT_CHECK([ping -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl +3 packets transmitted, 3 received, 0% packet loss, time 0ms +]) + +dnl HTTP requests from root namespace to p0 should work fine. +NETNS_DAEMONIZE([at_ns0], [[$PYTHON $srcdir/test-l7.py]], [http0.pid]) +AT_CHECK([wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log]) + +dnl (again) HTTP requests from root namespace to p0 should work fine. +AT_CHECK([wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log]) + +AT_CHECK([conntrack -L 2>&1 | FORMAT_CT(10.1.1.2) | grep "zone"], [0], [dnl +TIME_WAIT src=10.1.1.1 dst=10.1.1.2 sport=<cleared> dport=<cleared> src=10.1.1.2 dst=10.1.1.1 sport=<cleared> dport=<cleared> [[ASSURED]] mark=0 zone=1 use=1 +TIME_WAIT src=10.1.1.1 dst=10.1.1.2 sport=<cleared> dport=<cleared> src=10.1.1.2 dst=10.1.1.1 sport=<cleared> dport=<cleared> [[ASSURED]] mark=0 zone=2 use=1 +src=10.1.1.1 dst=10.1.1.2 type=8 code=0 id=<cleared> src=10.1.1.2 dst=10.1.1.1 type=0 code=0 id=<cleared> mark=0 zone=1 use=1 +src=10.1.1.1 dst=10.1.1.2 type=8 code=0 id=<cleared> src=10.1.1.2 dst=10.1.1.1 type=0 code=0 id=<cleared> mark=0 zone=2 use=1 +]) + +OVS_TRAFFIC_VSWITCHD_STOP +AT_CLEANUP + +AT_SETUP([conntrack - multi-stage pipeline, local]) +CHECK_CONNTRACK() +OVS_TRAFFIC_VSWITCHD_START( + [set-fail-mode br0 secure -- ]) + +ADD_NAMESPACES(at_ns0) + +AT_CHECK([ip addr add dev br0 "10.1.1.1/24"]) +AT_CHECK([ip link set dev br0 up]) +on_exit 'ip addr del dev br0 "10.1.1.1/24"' +ADD_VETH(p0, at_ns0, br0, "10.1.1.2/24") + +dnl Allow traffic from local stack to ns0. Only allow neighbour discovery, +dnl return traffic from ns0 back to the local stack. +AT_DATA([flows.txt], [dnl +dnl default +table=0,priority=1,action=drop +table=0,priority=10,arp,action=normal + +dnl Load the output port to REG0 +table=0,priority=100,ip,in_port=LOCAL,action=load:1->NXM_NX_REG0[[0..15]],goto_table:1 +table=0,priority=100,ip,in_port=1,action=load:65534->NXM_NX_REG0[[0..15]],goto_table:1 + +dnl Ingress pipeline +dnl - Allow all connections from LOCAL port (commit and proceed to egress) +dnl - All other connections go through conntracker using the input port as +dnl a connection tracking zone. +table=1,priority=150,in_port=LOCAL,ip,ct_state=+trk+new,action=ct(commit,zone=OXM_OF_IN_PORT[[0..15]]),goto_table:2 +table=1,priority=100,ip,action=ct(table=2,zone=OXM_OF_IN_PORT[[0..15]]) +table=1,priority=1,action=drop + +dnl Egress pipeline +dnl - Allow all connections from LOCAL port (commit and skip to output) +dnl - Allow other established connections to go through conntracker using +dnl output port as a connection tracking zone. +table=2,priority=150,in_port=LOCAL,ip,ct_state=+trk+new,action=ct(commit,zone=NXM_NX_REG0[[0..15]]),goto_table:4 +table=2,priority=100,ip,ct_state=+trk+est,action=ct(table=3,zone=NXM_NX_REG0[[0..15]]) +table=2,priority=1,action=drop + +dnl Only allow established traffic from egress ct lookup +table=3,priority=100,ip,ct_state=+trk+est,action=goto_table:4 +table=3,priority=1,action=drop + +dnl output table +table=4,priority=100,ip,action=output:NXM_NX_REG0[[]] +]) + +AT_CHECK([ovs-ofctl add-flows br0 flows.txt]) + +AT_CHECK([ping -q -c 3 -i 0.3 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl +3 packets transmitted, 3 received, 0% packet loss, time 0ms +]) + +dnl HTTP requests from root namespace to p0 should work fine. +NETNS_DAEMONIZE([at_ns0], [[$PYTHON $srcdir/test-l7.py]], [http0.pid]) +AT_CHECK([wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log]) + +dnl (again) HTTP requests from root namespace to p0 should work fine. +AT_CHECK([wget 10.1.1.2 -t 3 -T 1 --retry-connrefused -v -o wget0.log]) + +AT_CHECK([conntrack -L 2>&1 | FORMAT_CT(10.1.1.2) | grep "zone"], [0], [dnl +TIME_WAIT src=10.1.1.1 dst=10.1.1.2 sport=<cleared> dport=<cleared> src=10.1.1.2 dst=10.1.1.1 sport=<cleared> dport=<cleared> [[ASSURED]] mark=0 zone=1 use=1 +TIME_WAIT src=10.1.1.1 dst=10.1.1.2 sport=<cleared> dport=<cleared> src=10.1.1.2 dst=10.1.1.1 sport=<cleared> dport=<cleared> [[ASSURED]] mark=0 zone=65534 use=1 +src=10.1.1.1 dst=10.1.1.2 type=8 code=0 id=<cleared> src=10.1.1.2 dst=10.1.1.1 type=0 code=0 id=<cleared> mark=0 zone=1 use=1 +src=10.1.1.1 dst=10.1.1.2 type=8 code=0 id=<cleared> src=10.1.1.2 dst=10.1.1.1 type=0 code=0 id=<cleared> mark=0 zone=65534 use=1 +]) + +OVS_TRAFFIC_VSWITCHD_STOP +AT_CLEANUP + AT_SETUP([conntrack - ct_mark]) CHECK_CONNTRACK() OVS_TRAFFIC_VSWITCHD_START( -- 2.1.4 _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
