[ovs-dev] [patch v3 3/4] tests: Add more fragmentation tests.

Darrell Ball dlu998 at gmail.com
Thu Jun 28 22:39:30 UTC 2018


Tests are added to cover out of order fragments, overlapping fragments
and multiple extension headers in the case of IPv6.

Signed-off-by: Darrell Ball <dlu998 at gmail.com>
---
 tests/system-kmod-macros.at      |  16 ++++
 tests/system-traffic.at          | 200 +++++++++++++++++++++++++++++++++++++++
 tests/system-userspace-macros.at |  16 ++++
 3 files changed, 232 insertions(+)

diff --git a/tests/system-kmod-macros.at b/tests/system-kmod-macros.at
index 2b9b691..07de0db 100644
--- a/tests/system-kmod-macros.at
+++ b/tests/system-kmod-macros.at
@@ -91,6 +91,22 @@ m4_define([CHECK_CONNTRACK_FRAG])
 # needed.
 m4_define([CHECK_CONNTRACK_LOCAL_STACK])
 
+# CHECK_CONNTRACK_FRAG_OVERLAP()
+#
+# The kernel does not support overlapping fragments checking.
+m4_define([CHECK_CONNTRACK_FRAG_OVERLAP],
+[
+    AT_SKIP_IF([:])
+])
+
+# CHECK_CONNTRACK_FRAG_IPV6_MULT_EXTEN()
+#
+# The kernel does not support fragments with multiple extension headers.
+m4_define([CHECK_CONNTRACK_FRAG_IPV6_MULT_EXTEN],
+[
+    AT_SKIP_IF([:])
+])
+
 # CHECK_CONNTRACK_NAT()
 #
 # Perform requirements checks for running conntrack NAT tests. The kernel
diff --git a/tests/system-traffic.at b/tests/system-traffic.at
index 29ff91f..fc2f720 100644
--- a/tests/system-traffic.at
+++ b/tests/system-traffic.at
@@ -2103,6 +2103,78 @@ udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=
 OVS_TRAFFIC_VSWITCHD_STOP
 AT_CLEANUP
 
+AT_SETUP([conntrack - IPv4 fragmentation out of order])
+CHECK_CONNTRACK()
+CHECK_CONNTRACK_FRAG()
+OVS_TRAFFIC_VSWITCHD_START()
+
+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_DATA([bundle.txt], [dnl
+packet-out in_port=1, packet=50540000000a505400000009080045000030000100320011a4860a0101010a01010200010002000800000010203040506070809000010203040506070809, actions=ct(commit)
+packet-out in_port=1, packet=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,  actions=ct(commit)
+])
+
+AT_CHECK([ovs-ofctl bundle br0 bundle.txt])
+
+AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
+udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>)
+])
+
+OVS_TRAFFIC_VSWITCHD_STOP
+AT_CLEANUP
+
+AT_SETUP([conntrack - IPv4 fragmentation overlapping fragments by 1 octet])
+CHECK_CONNTRACK()
+CHECK_CONNTRACK_FRAG()
+CHECK_CONNTRACK_FRAG_OVERLAP()
+OVS_TRAFFIC_VSWITCHD_START()
+
+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_DATA([bundle.txt], [dnl
+packet-out in_port=1, packet=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,  actions=ct(commit)
+packet-out in_port=1, packet=50540000000a505400000009080045000030000100310011a4870a0101010a01010200010002000800000010203040506070809000010203040506070809, actions=ct(commit)
+])
+
+AT_CHECK([ovs-ofctl bundle br0 bundle.txt])
+# There is one byte of overlap, hence the no packet gets thru. conntrack.
+AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
+])
+
+OVS_TRAFFIC_VSWITCHD_STOP
+AT_CLEANUP
+
+AT_SETUP([conntrack - IPv4 fragmentation overlapping fragments by 1 octet out of order])
+CHECK_CONNTRACK()
+CHECK_CONNTRACK_FRAG()
+CHECK_CONNTRACK_FRAG_OVERLAP()
+OVS_TRAFFIC_VSWITCHD_START()
+
+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_DATA([bundle.txt], [dnl
+packet-out in_port=1, packet=50540000000a505400000009080045000030000100310011a4870a0101010a01010200010002000800000010203040506070809000010203040506070809, actions=ct(commit)
+packet-out in_port=1, packet=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,  actions=ct(commit)
+])
+
+AT_CHECK([ovs-ofctl bundle br0 bundle.txt])
+# There is one byte of overlap, hence the no packet gets thru. conntrack.
+AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], [dnl
+])
+
+OVS_TRAFFIC_VSWITCHD_STOP
+AT_CLEANUP
+
 AT_SETUP([conntrack - IPv6 fragmentation])
 CHECK_CONNTRACK()
 CHECK_CONNTRACK_FRAG()
@@ -2327,6 +2399,134 @@ udp,orig=(src=fc00::1,dst=fc00::2,sport=<cleared>,dport=<cleared>),reply=(src=fc
 OVS_TRAFFIC_VSWITCHD_STOP
 AT_CLEANUP
 
+AT_SETUP([conntrack - IPv6 fragmentation out of order])
+CHECK_CONNTRACK()
+CHECK_CONNTRACK_FRAG()
+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")
+
+AT_DATA([bundle.txt], [dnl
+packet-out in_port=1, packet=50540000000a50540000000986dd6000000000242cfffc000000000000000000000000000001fc000000000000000000000000000002110005080000000100010002000800000001020304050607080900010203040506070809, actions=ct(commit)
+packet-out in_port=1, packet=50540000000a50540000000986dd6000000005102cfffc000000000000000000000000000001fc0000000000000000000000000000021100000100000001000100020008cdf3000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030\405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080
 90001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001\02030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020
 304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080\900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809,  actions=ct(commit)
+])
+
+AT_CHECK([ovs-ofctl bundle br0 bundle.txt])
+
+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::1,sport=<cleared>,dport=<cleared>)
+])
+
+OVS_TRAFFIC_VSWITCHD_STOP
+AT_CLEANUP
+
+AT_SETUP([conntrack - IPv6 fragmentation, multiple extension headers])
+CHECK_CONNTRACK()
+CHECK_CONNTRACK_FRAG()
+CHECK_CONNTRACK_FRAG_IPV6_MULT_EXTEN()
+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")
+
+# Add different extension headers
+AT_DATA([bundle.txt], [dnl
+packet-out in_port=1, packet=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\405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000
 10203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809\00010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040
 506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040\5060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809,  actions=ct(commit)
+packet-out in_port=1, packet=50540000000a50540000000986dd60000000002c00fffc000000000000000000000000000001fc0000000000000000000000000000022c00000000000000110005080000000100010002000800000001020304050607080900010203040506070809, actions=ct(commit)
+])
+
+AT_CHECK([ovs-ofctl bundle br0 bundle.txt])
+
+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::1,sport=<cleared>,dport=<cleared>)
+])
+
+OVS_TRAFFIC_VSWITCHD_STOP
+AT_CLEANUP
+
+AT_SETUP([conntrack - IPv6 fragmentation, multiple extension headers + out of order])
+CHECK_CONNTRACK()
+CHECK_CONNTRACK_FRAG()
+CHECK_CONNTRACK_FRAG_IPV6_MULT_EXTEN()
+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")
+
+# Add different extension headers
+AT_DATA([bundle.txt], [dnl
+packet-out in_port=1, packet=50540000000a50540000000986dd60000000002c00fffc000000000000000000000000000001fc0000000000000000000000000000022c00000000000000110005080000000100010002000800000001020304050607080900010203040506070809, actions=ct(commit)
+packet-out in_port=1, packet=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\4050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000
 102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809\0001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040
 506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040\5060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809,  actions=ct(commit)
+])
+
+AT_CHECK([ovs-ofctl bundle br0 bundle.txt])
+
+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::1,sport=<cleared>,dport=<cleared>)
+])
+
+OVS_TRAFFIC_VSWITCHD_STOP
+AT_CLEANUP
+
+AT_SETUP([conntrack - IPv6 fragmentation, multiple extension headers 2])
+CHECK_CONNTRACK()
+CHECK_CONNTRACK_FRAG()
+CHECK_CONNTRACK_FRAG_IPV6_MULT_EXTEN()
+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")
+
+# Add different extension headers
+AT_DATA([bundle.txt], [dnl
+packet-out in_port=1, packet=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\03040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000
 1020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506\070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040
 506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900\0102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809,  actions=ct(commit)
+packet-out in_port=1, packet=50540000000a50540000000986dd60000000002c00fffc000000000000000000000000000001fc0000000000000000000000000000022c00000005020000110005080000000100010002000800000001020304050607080900010203040506070809, actions=ct(commit)
+])
+
+AT_CHECK([ovs-ofctl bundle br0 bundle.txt])
+
+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::1,sport=<cleared>,dport=<cleared>)
+])
+
+OVS_TRAFFIC_VSWITCHD_STOP
+AT_CLEANUP
+
+AT_SETUP([conntrack - IPv6 fragmentation, multiple extension headers 2 + out of order])
+CHECK_CONNTRACK()
+CHECK_CONNTRACK_FRAG()
+CHECK_CONNTRACK_FRAG_IPV6_MULT_EXTEN()
+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")
+
+# Add different extension headers
+AT_DATA([bundle.txt], [dnl
+packet-out in_port=1, packet=50540000000a50540000000986dd60000000002c00fffc000000000000000000000000000001fc0000000000000000000000000000022c00000005020000110005080000000100010002000800000001020304050607080900010203040506070809, actions=ct(commit)
+packet-out in_port=1, packet=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\00102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000
 1020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001\020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040
 506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020\3040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809000102030405060708090001020304050607080900010203040506070809,  actions=ct(commit)
+])
+
+AT_CHECK([ovs-ofctl bundle br0 bundle.txt])
+
+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::1,sport=<cleared>,dport=<cleared>)
+])
+
+OVS_TRAFFIC_VSWITCHD_STOP
+AT_CLEANUP
+
 AT_SETUP([conntrack - Fragmentation over vxlan])
 OVS_CHECK_VXLAN()
 CHECK_CONNTRACK()
diff --git a/tests/system-userspace-macros.at b/tests/system-userspace-macros.at
index 00e1f81..11eac8f 100644
--- a/tests/system-userspace-macros.at
+++ b/tests/system-userspace-macros.at
@@ -93,6 +93,22 @@ m4_define([CHECK_CONNTRACK_LOCAL_STACK],
     AT_SKIP_IF([:])
 ])
 
+# CHECK_CONNTRACK_FRAG_OVERLAP()
+#
+# The userspace datapath does not support fragments yet.
+m4_define([CHECK_CONNTRACK_FRAG_OVERLAP],
+[
+    AT_SKIP_IF([:])
+])
+
+# CHECK_CONNTRACK_FRAG_IPV6_MULT_EXTEN()
+#
+# The userspace datapath does not support fragments yet.
+m4_define([CHECK_CONNTRACK_FRAG_IPV6_MULT_EXTEN],
+[
+    AT_SKIP_IF([:])
+])
+
 # CHECK_CONNTRACK_NAT()
 #
 # Perform requirements checks for running conntrack NAT tests. The userspace
-- 
1.9.1



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