5 files changed, 33 insertions, 0 deletions
diff --git a/tests/py/inet/tcp.t b/tests/py/inet/tcp.t
index d959284b..5a0aab67 100644
--- a/tests/py/inet/tcp.t
+++ b/tests/py/inet/tcp.t
@@ -74,6 +74,7 @@ tcp flags { fin, syn, rst, psh, ack, urg, ecn, cwr} drop;ok
 tcp flags != { fin, urg, ecn, cwr} drop;ok
 tcp flags cwr;ok
 tcp flags != cwr;ok
+tcp 'flags & (syn|fin) == (syn|fin)';ok;tcp flags & (fin | syn) == fin | syn
 
 tcp window 22222;ok
 tcp window 22;ok
diff --git a/tests/py/inet/tcp.t.payload.inet b/tests/py/inet/tcp.t.payload.inet
index 583fcd43..bf2ffaaf 100644
--- a/tests/py/inet/tcp.t.payload.inet
+++ b/tests/py/inet/tcp.t.payload.inet
@@ -421,6 +421,14 @@ inet test-inet input
   [ payload load 1b @ transport header + 13 => reg 1 ]
   [ cmp neq reg 1 0x00000080 ]
 
+# tcp 'flags & (syn|fin) == (syn|fin)'
+inet test-inet input
+  [ meta load l4proto => reg 1 ]
+  [ cmp eq reg 1 0x00000006 ]
+  [ payload load 1b @ transport header + 13 => reg 1 ]
+  [ bitwise reg 1 = (reg=1 & 0x00000003 ) ^ 0x00000000 ]
+  [ cmp eq reg 1 0x00000003 ]
+
 # tcp window 22222
 inet test-inet input
   [ meta load l4proto => reg 1 ]
diff --git a/tests/py/inet/tcp.t.payload.ip b/tests/py/inet/tcp.t.payload.ip
index 065a2b11..79fd500a 100644
--- a/tests/py/inet/tcp.t.payload.ip
+++ b/tests/py/inet/tcp.t.payload.ip
@@ -421,6 +421,14 @@ ip test-ip4 input
   [ payload load 1b @ transport header + 13 => reg 1 ]
   [ cmp neq reg 1 0x00000080 ]
 
+# tcp 'flags & (syn|fin) == (syn|fin)'
+ip test-ip4 input
+  [ payload load 1b @ network header + 9 => reg 1 ]
+  [ cmp eq reg 1 0x00000006 ]
+  [ payload load 1b @ transport header + 13 => reg 1 ]
+  [ bitwise reg 1 = (reg=1 & 0x00000003 ) ^ 0x00000000 ]
+  [ cmp eq reg 1 0x00000003 ]
+
 # tcp window 22222
 ip test-ip4 input
   [ payload load 1b @ network header + 9 => reg 1 ]
diff --git a/tests/py/inet/tcp.t.payload.ip6 b/tests/py/inet/tcp.t.payload.ip6
index a4ddc164..b1b361ec 100644
--- a/tests/py/inet/tcp.t.payload.ip6
+++ b/tests/py/inet/tcp.t.payload.ip6
@@ -421,6 +421,14 @@ ip6 test-ip6 input
   [ payload load 1b @ transport header + 13 => reg 1 ]
   [ cmp neq reg 1 0x00000080 ]
 
+# tcp 'flags & (syn|fin) == (syn|fin)'
+ip6 test-ip6 input
+  [ payload load 1b @ network header + 6 => reg 1 ]
+  [ cmp eq reg 1 0x00000006 ]
+  [ payload load 1b @ transport header + 13 => reg 1 ]
+  [ bitwise reg 1 = (reg=1 & 0x00000003 ) ^ 0x00000000 ]
+  [ cmp eq reg 1 0x00000003 ]
+
 # tcp window 22222
 ip6 test-ip6 input
   [ payload load 1b @ network header + 6 => reg 1 ]
diff --git a/tests/py/inet/tcp.t.payload.netdev b/tests/py/inet/tcp.t.payload.netdev
index dd79898e..dbf4b131 100644
--- a/tests/py/inet/tcp.t.payload.netdev
+++ b/tests/py/inet/tcp.t.payload.netdev
@@ -421,6 +421,14 @@ inet test-inet input
   [ payload load 1b @ transport header + 13 => reg 1 ]
   [ cmp neq reg 1 0x00000080 ]
 
+# tcp 'flags & (syn|fin) == (syn|fin)'
+inet test-inet input
+  [ meta load l4proto => reg 1 ]
+  [ cmp eq reg 1 0x00000006 ]
+  [ payload load 1b @ transport header + 13 => reg 1 ]
+  [ bitwise reg 1 = (reg=1 & 0x00000003 ) ^ 0x00000000 ]
+  [ cmp eq reg 1 0x00000003 ]
+
 # tcp window 22222
 inet test-inet input
   [ meta load l4proto => reg 1 ]