Also add required icmp6_type

doc/plan.org

@@ -874,7 +874,6 @@ user@T:~# iptables  -t mangle -A PREROUTING \
 5656
 **** Cisco (?)
 *** P4 based implementation
-    TBD
 **** General
 
      - IPv6 subnet 2001:db8::/32
@@ -1203,6 +1202,7 @@ But unless I am missing something obvious, P4 hides it…
 
 **** ICMP6: checksum over payload
      - variable length, up to 65k
+Exists:
 **** Synchronisation with the controller
      - Double data type definition -> might differ
      - TYPE_CPU for ethernet

p4app/controller.py

@@ -179,19 +179,21 @@ class L2Controller(object):
     def init_ndp_in_switch(self, addr):
         icmp6_addr = self.gen_ndp_multicast_addr(addr)
         icmp6_net = "{}/128".format(icmp6_addr)
+        icmp6_type = 135
         mac_addr =  self.info['mac_addr']
 
         self.controller.table_add("icmp6",
                                   "icmp6_neighbor_solicitation",
-                                  [str(icmp6_net)], [str(addr), str(mac_addr)])
+                                  [str(icmp6_net), str(icmp6_type)], [str(addr), str(mac_addr)])
 
     def init_icmp6_echo_in_switch(self, addr):
         icmp6_addr = addr
+        icmp6_type = 128
         icmp6_net = "{}/128".format(icmp6_addr)
 
         self.controller.table_add("icmp6",
                                   "icmp6_echo_reply",
-                                  [str(icmp6_net)], [str(addr)])
+                                  [str(icmp6_net), str(icmp6_type)], [str(addr)])
 
 
     def fill_tables(self):

p4src/static-mapping.p4

@@ -301,8 +301,6 @@ control MyIngress(inout headers hdr,
             // ndp_answer.apply();
             //ndp.apply(); /* flood or if it is us - answer */
 
-
-
             icmp6.apply();
             v6_networks.apply();
         }