3 files changed, 53 insertions, 0 deletions
diff --git a/tests/regression/ip/dup.t b/tests/regression/ip/dup.t
new file mode 100644
index 00000000..9320d546
--- /dev/null
+++ b/tests/regression/ip/dup.t
@@ -0,0 +1,6 @@
+*ip;test-ip4
+:input;type filter hook input priority 0
+
+dup to 192.168.2.1;ok
+dup to 192.168.2.1 device eth0;ok
+dup to ip saddr map { 192.168.2.120 : 192.168.2.1 } device eth0;ok
diff --git a/tests/regression/ip/dup.t.payload b/tests/regression/ip/dup.t.payload
new file mode 100644
index 00000000..7928d5d5
--- /dev/null
+++ b/tests/regression/ip/dup.t.payload
@@ -0,0 +1,21 @@
+# dup to 192.168.2.1
+ip test-ip4 test 
+  [ immediate reg 1 0x0102a8c0 ]
+  [ dup sreg_addr 1 ]
+
+# dup to 192.168.2.1 device eth0
+ip test-ip4 test 
+  [ immediate reg 1 0x0102a8c0 ]
+  [ immediate reg 2 0x00000002 ]
+  [ dup sreg_addr 1 sreg_dev 2 ]
+
+# dup to ip saddr map { 192.168.2.120 : 192.168.2.1 } device eth0
+map%d test-ip4 b
+map%d test-ip4 0
+        element 7802a8c0  : 0102a8c0 0 [end]
+ip test-ip4 test 
+  [ payload load 4b @ network header + 12 => reg 1 ]
+  [ lookup reg 1 set map%d dreg 1 ]
+  [ immediate reg 2 0x00000002 ]
+  [ dup sreg_addr 1 sreg_dev 2 ]
+
diff --git a/tests/regression/ip/dup.t.payload.got b/tests/regression/ip/dup.t.payload.got
new file mode 100644
index 00000000..23e0a7e7
--- /dev/null
+++ b/tests/regression/ip/dup.t.payload.got
@@ -0,0 +1,26 @@
+# dup to 192.168.2.1 device eth0
+ip test-ip4 input 
+  [ immediate reg 1 0x0102a8c0 ]
+  [ immediate reg 2 0x00000002 0x00000000 0x00000000 0x00000000 ]
+  [ dup sreg_addr 1  sreg_dev 2 ]
+
+# dup to ip saddr map { 192.168.2.120 : 192.168.2.1 } device eth0
+map%d test-ip4 b
+map%d test-ip4 0
+	element 7802a8c0  : 0102a8c0 0 [end]
+ip test-ip4 input 
+  [ payload load 4b @ network header + 12 => reg 1 ]
+  [ lookup reg 1 set map%d dreg 1 ]
+  [ immediate reg 2 0x00000002 0x00000000 0x00000000 0x00000000 ]
+  [ dup sreg_addr 1  sreg_dev 2 ]
+
+# dup to ip saddr map { 192.168.2.120 : 192.168.2.1 } device eth0
+map%d test-ip4 b
+map%d test-ip4 0
+	element 7802a8c0  : 0102a8c0 0 [end]
+ip test-ip4 input 
+  [ payload load 4b @ network header + 12 => reg 1 ]
+  [ lookup reg 1 set map%d dreg 1 ]
+  [ immediate reg 2 0x00000002 0x00000000 0x00000000 0x00000000 ]
+  [ dup sreg_addr 1 sreg_dev 2 ]
+