1 files changed, 48 insertions, 0 deletions
diff --git a/regress/sys/netinet6/nd6/nd6_ar.py b/regress/sys/netinet6/nd6/nd6_ar.py
new file mode 100644
index 00000000000..2c138951b9f
--- /dev/null
+++ b/regress/sys/netinet6/nd6/nd6_ar.py
@@ -0,0 +1,48 @@
+#!/usr/local/bin/python2.7
+# send Address Resolution neighbor solicitation
+# expect an neighbor advertisement answer and check it
+
+import os
+from addr import *
+from scapy.all import *
+
+# link-local solicited-node multicast address
+def nsma(a):
+	n = inet_pton(socket.AF_INET6, a)
+	return inet_ntop(socket.AF_INET6, in6_getnsma(n))
+
+# ethernet multicast address of multicast address
+def nsmac(a):
+	n = inet_pton(socket.AF_INET6, a)
+	return in6_getnsmac(n)
+
+# ethernet multicast address of solicited-node multicast address
+def nsmamac(a):
+	return nsmac(nsma(a))
+
+# link-local address
+def lla(m):
+	return "fe80::"+in6_mactoifaceid(m)
+
+ip=IPv6(src=SRC_OUT6, dst=nsma(DST_IN6))/ICMPv6ND_NS(tgt=DST_IN6)
+eth=Ether(src=SRC_MAC, dst=nsmamac(DST_IN6))/ip
+
+if os.fork() == 0:
+	time.sleep(1)
+	sendp(eth, iface=SRC_IF)
+	os._exit(0)
+
+ans=sniff(iface=SRC_IF, timeout=3, filter=
+    "ip6 and src "+DST_IN6+" and dst "+SRC_OUT6+" and icmp6")
+for a in ans:
+	if a and a.type == scapy.layers.dot11.ETHER_TYPES.IPv6 and \
+	    ipv6nh[a.payload.nh] == 'ICMPv6' and \
+	    icmp6types[a.payload.payload.type] == 'Neighbor Advertisement':
+		tgt=a.payload.payload.tgt
+		print "target=%s" % (tgt)
+		if tgt == DST_IN6:
+			exit(0)
+		print "TARGET!=%s" % (DST_IN6)
+		exit(1)
+print "NO NEIGHBOR ADVERTISEMENT"
+exit(2)