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-rw-r--r--tests/py/inet/ip_tcp.t18
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/py/inet/ip_tcp.t b/tests/py/inet/ip_tcp.t
new file mode 100644
index 00000000..828d9d92
--- /dev/null
+++ b/tests/py/inet/ip_tcp.t
@@ -0,0 +1,18 @@
+:input;type filter hook input priority 0
+:ingress;type filter hook ingress device lo priority 0
+
+*inet;test-inet;input
+*bridge;test-bridge;input
+*netdev;test-netdev;ingress
+
+# must not remove ip dependency -- ONLY ipv4 packets should be matched
+ip protocol tcp tcp dport 22;ok;ip protocol 6 tcp dport 22
+
+# can remove it here, ip protocol is implied via saddr.
+ip protocol tcp ip saddr 1.2.3.4 tcp dport 22;ok;ip saddr 1.2.3.4 tcp dport 22
+
+# but not here.
+ip protocol tcp counter ip saddr 1.2.3.4 tcp dport 22;ok;ip protocol 6 counter ip saddr 1.2.3.4 tcp dport 22
+
+# or here.
+ip protocol tcp counter tcp dport 22;ok;ip protocol 6 counter tcp dport 22