map: use ip6-full-reassembly instead of own code

Remove map's implementation of reassembly and use common
ip6-full-reassembly functionality. This makes it easier to maintain by
removing duplicate code/functionality.

Type: refactor

Change-Id: I430e888b704e28c100a9ce075d1460cb529e4676
Signed-off-by: Klement Sekera <ksekera@cisco.com>

1 files changed, 24 insertions, 1 deletions

diff --git a/src/plugins/map/test/test_map.py b/src/plugins/map/test/test_map.py
index 368cf51092d..5549d9f0751 100644
--- a/src/plugins/map/test/test_map.py
+++ b/src/plugins/map/test/test_map.py
@@ -7,7 +7,7 @@ from ipaddress import IPv6Network, IPv4Network
 from framework import VppTestCase, VppTestRunner
 from vpp_ip import DpoProto
 from vpp_ip_route import VppIpRoute, VppRoutePath
-from util import fragment_rfc791
+from util import fragment_rfc791, fragment_rfc8200
 
 import scapy.compat
 from scapy.layers.l2 import Ether, Raw
@@ -232,6 +232,29 @@ class TestMAP(VppTestCase):
             self.assertEqual(r[IP].src, p[IP].src)
             self.assertEqual(r[IP].dst, p[IP].dst)
 
+        # Verify that fragments pass even if ipv6 layer is fragmented
+        stream = (IPv6(dst='3000::1', src=map_translated_addr) / x
+                  for x in frags)
+
+        v6_stream = [
+            Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / x
+            for i in range(len(frags))
+            for x in fragment_rfc8200(
+                IPv6(dst='3000::1', src=map_translated_addr) / frags[i],
+                i, 200)]
+
+        self.pg1.add_stream(v6_stream)
+
+        self.pg_enable_capture(self.pg_interfaces)
+        self.pg_start()
+
+        rx = self.pg0.get_capture(len(frags))
+
+        for r in rx:
+            self.assertFalse(r.haslayer(IPv6))
+            self.assertEqual(r[IP].src, p[IP].src)
+            self.assertEqual(r[IP].dst, p[IP].dst)
+
         #
         # Pre-resolve. No API for this!!
         #