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| author |   Matus Fabian <matfabia@cisco.com> | 2018-09-05 06:01:55 -0700 |
|---|---|---|
| committer |   Ole Trøan <otroan@employees.org> | 2018-09-06 07:32:30 +0000 |
| commit | a7f8b228ff505acc052a77101b12e714ead26536 (patch) | |
| tree | 44f42ff50c300bfd3c5517de7a4de8e537541c42 /test/test_nat.py | |
| parent | 05ca4a364366ffd639b6136967330deb249cbe22 (diff) | |
NAT: fix maximum out of order fragments (VPP-1399)
All fragments should be dropped when max_frag is 1 and 2 non-initial fragments are received before first fragment.
Change-Id: Id0c968f45629698e347e8226c5926f27b48b82d6
Signed-off-by: Matus Fabian <matfabia@cisco.com>
Diffstat (limited to 'test/test_nat.py')
| -rw-r--r-- | test/test_nat.py | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/test/test_nat.py b/test/test_nat.py index 47e779b9026..5baadd89863 100644 --- a/test/test_nat.py +++ b/test/test_nat.py @@ -3143,7 +3143,7 @@ class TestNAT44(MethodHolder): self.vapi.nat44_interface_add_del_feature(self.pg0.sw_if_index) self.vapi.nat44_interface_add_del_feature(self.pg1.sw_if_index, is_inside=0) - self.vapi.nat_set_reass(max_frag=0) + self.vapi.nat_set_reass(max_frag=1) self.vapi.set_ipfix_exporter(collector_address=self.pg3.remote_ip4n, src_address=self.pg3.local_ip4n, path_mtu=512, @@ -3158,7 +3158,8 @@ class TestNAT44(MethodHolder): self.tcp_port_in, 20, data) - self.pg0.add_stream(pkts[-1]) + pkts.reverse() + self.pg0.add_stream(pkts) self.pg_enable_capture(self.pg_interfaces) self.pg_start() self.pg1.assert_nothing_captured() @@ -3181,7 +3182,7 @@ class TestNAT44(MethodHolder): for p in capture: if p.haslayer(Data): data = ipfix.decode_data_set(p.getlayer(Set)) - self.verify_ipfix_max_fragments_ip4(data, 0, + self.verify_ipfix_max_fragments_ip4(data, 1, self.pg0.remote_ip4n) def test_multiple_outside_vrf(self): @@ -6972,7 +6973,7 @@ class TestNAT64(MethodHolder): self.nat_addr_n) self.vapi.nat64_add_del_interface(self.pg0.sw_if_index) self.vapi.nat64_add_del_interface(self.pg1.sw_if_index, is_inside=0) - self.vapi.nat_set_reass(max_frag=0, is_ip6=1) + self.vapi.nat_set_reass(max_frag=1, is_ip6=1) self.vapi.set_ipfix_exporter(collector_address=self.pg3.remote_ip4n, src_address=self.pg3.local_ip4n, path_mtu=512, @@ -6983,7 +6984,8 @@ class TestNAT64(MethodHolder): data = 'a' * 200 pkts = self.create_stream_frag_ip6(self.pg0, self.pg1.remote_ip4, self.tcp_port_in, 20, data) - self.pg0.add_stream(pkts[-1]) + pkts.reverse() + self.pg0.add_stream(pkts) self.pg_enable_capture(self.pg_interfaces) self.pg_start() self.pg1.assert_nothing_captured() @@ -7006,7 +7008,7 @@ class TestNAT64(MethodHolder): for p in capture: if p.haslayer(Data): data = ipfix.decode_data_set(p.getlayer(Set)) - self.verify_ipfix_max_fragments_ip6(data, 0, + self.verify_ipfix_max_fragments_ip6(data, 1, self.pg0.remote_ip6n) def test_ipfix_bib_ses(self): |