Add an ip6 local hop-by-hop protocol demux table

Add a minimal ip6 hbh header processing test.

ioam plugin: use ip6_local_hop_by_hop_register_protocol() in
udp_ping_init().

Please test the ioam plugin udp_ping path AYEC, so I can
publish the patch.

Change-Id: I74e35276d6c38c31022026cfd238fad5e4a54485
Signed-off-by: Dave Barach <dave@barachs.net>

1 files changed, 14 insertions, 1 deletions

diff --git a/test/test_ip6.py b/test/test_ip6.py
index 7c9df465707..b64dbc1d871 100644
--- a/test/test_ip6.py
+++ b/test/test_ip6.py
@@ -10,7 +10,7 @@ from scapy.contrib.mpls import MPLS
 from scapy.layers.inet6 import IPv6, ICMPv6ND_NS, ICMPv6ND_RS, \
     ICMPv6ND_RA, ICMPv6NDOptMTU, ICMPv6NDOptSrcLLAddr, ICMPv6NDOptPrefixInfo, \
     ICMPv6ND_NA, ICMPv6NDOptDstLLAddr, ICMPv6DestUnreach, icmp6types, \
-    ICMPv6TimeExceeded, ICMPv6EchoRequest, ICMPv6EchoReply
+    ICMPv6TimeExceeded, ICMPv6EchoRequest, ICMPv6EchoReply, IPv6ExtHdrHopByHop
 from scapy.layers.l2 import Ether, Dot1Q
 from scapy.packet import Raw
 from scapy.utils import inet_pton, inet_ntop
@@ -2313,6 +2313,19 @@ class TestIP6Input(VppTestCase):
                                         remark=msg or "",
                                         timeout=timeout)
 
+    def test_hop_by_hop(self):
+        """ Hop-by-hop header test """
+
+        p = (Ether(src=self.pg0.remote_mac,
+                   dst=self.pg0.local_mac) /
+             IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6) /
+             IPv6ExtHdrHopByHop() /
+             inet6.UDP(sport=1234, dport=1234) /
+             Raw('\xa5' * 100))
+
+        self.pg0.add_stream(p)
+        self.pg_enable_capture(self.pg_interfaces)
+        self.pg_start()
 
 if __name__ == '__main__':
     unittest.main(testRunner=VppTestRunner)