1 files changed, 32 insertions, 0 deletions
diff --git a/tests/py/ip/ip.t.payload b/tests/py/ip/ip.t.payload
index d6ef540b..75e85c18 100644
--- a/tests/py/ip/ip.t.payload
+++ b/tests/py/ip/ip.t.payload
@@ -437,3 +437,35 @@ ip test-ip4 input
   [ immediate reg 1 0x00000000 ]
   [ payload write reg 1 => 2b @ network header + 4 csum_type 1 csum_off 10 ]
 
+# iif lo ip ecn set 1
+ip test-ip4 input
+  [ meta load iif => reg 1 ]
+  [ cmp eq reg 1 0x00000001 ]
+  [ payload load 2b @ network header + 0 => reg 1 ]
+  [ bitwise reg 1 = (reg=1 & 0x0000fcff ) ^ 0x00000100 ]
+  [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 ]
+
+# iif lo ip ecn set ce
+ip test-ip4 input
+  [ meta load iif => reg 1 ]
+  [ cmp eq reg 1 0x00000001 ]
+  [ payload load 2b @ network header + 0 => reg 1 ]
+  [ bitwise reg 1 = (reg=1 & 0x0000fcff ) ^ 0x00000300 ]
+  [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 ]
+
+# iif lo ip dscp set af23
+ip test-ip4 input
+  [ meta load iif => reg 1 ]
+  [ cmp eq reg 1 0x00000001 ]
+  [ payload load 2b @ network header + 0 => reg 1 ]
+  [ bitwise reg 1 = (reg=1 & 0x000003ff ) ^ 0x00005800 ]
+  [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 ]
+
+# iif lo ip dscp set cs0
+ip test-ip4 input
+  [ meta load iif => reg 1 ]
+  [ cmp eq reg 1 0x00000001 ]
+  [ payload load 2b @ network header + 0 => reg 1 ]
+  [ bitwise reg 1 = (reg=1 & 0x000003ff ) ^ 0x00000000 ]
+  [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 ]
+