Implement DHCPv6 IA NA client (VPP-1094)

Change-Id: I682a47d6cf9975aca6136188d28ee93eaadf4fe3
Signed-off-by: Juraj Sloboda <jsloboda@cisco.com>
diff --git a/src/vnet/dhcp/dhcp6_client_common_dp.h b/src/vnet/dhcp/dhcp6_client_common_dp.h
new file mode 100644
index 0000000..0acef84
--- /dev/null
+++ b/src/vnet/dhcp/dhcp6_client_common_dp.h
@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2018 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef included_vnet_dhcp6_client_common_dp_h
+#define included_vnet_dhcp6_client_common_dp_h
+
+#include <vlib/vlib.h>
+#include <vnet/dhcp/dhcp6_client_common_dp.h>
+#include <vnet/dhcp/dhcp6_packet.h>
+#include <vnet/vnet_msg_enum.h>
+#include <vlibapi/api_common.h>
+#include <vlibmemory/api.h>
+
+#define vl_typedefs		/* define message structures */
+#include <vnet/vnet_all_api_h.h>
+#undef vl_typedefs
+
+#define vl_endianfun		/* define message structures */
+#include <vnet/vnet_all_api_h.h>
+#undef vl_endianfun
+
+/* instantiate all the print functions we know about */
+#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
+#define vl_printfun
+#include <vnet/vnet_all_api_h.h>
+#undef vl_printfun
+
+#include <vlibapi/api_helper_macros.h>
+
+typedef struct
+{
+  u32 sw_if_index;
+  u32 server_index;
+  u8 msg_type;
+  u32 T1;
+  u32 T2;
+  u16 inner_status_code;
+  u16 status_code;
+  u8 preference;
+} dhcp6_report_common_t;
+
+typedef struct
+{
+  u8 *data;
+  u16 len;
+} server_id_t;
+
+typedef struct
+{
+  server_id_t *server_ids;
+} dhcp6_client_common_main_t;
+
+extern dhcp6_client_common_main_t dhcp6_client_common_main;
+
+typedef union
+{
+  CLIB_PACKED (struct
+	       {
+	       u16 duid_type;
+	       u16 hardware_type;
+	       u8 lla[6];
+	       });
+  char bin_string[10];
+} dhcpv6_duid_ll_string_t;
+
+extern dhcpv6_duid_ll_string_t client_duid;
+#define CLIENT_DUID_LENGTH sizeof (client_duid)
+#define DHCPV6_CLIENT_IAID 1
+
+void dhcp6_clients_enable_disable (u8 enable);
+u32 server_index_get_or_create (u8 * data, u16 len);
+
+#define vl_typedefs		/* define message structures */
+#include <vnet/vnet_all_api_h.h>
+#undef vl_typedefs
+
+void vl_api_dhcp6_duid_ll_set_t_handler (vl_api_dhcp6_duid_ll_set_t * mp);
+
+static_always_inline f64
+random_f64_from_to (f64 from, f64 to)
+{
+  static u32 seed = 0;
+  static u8 seed_set = 0;
+  if (!seed_set)
+    {
+      seed = random_default_seed ();
+      seed_set = 1;
+    }
+  return random_f64 (&seed) * (to - from) + from;
+}
+
+static const ip6_address_t all_dhcp6_relay_agents_and_servers = {
+  .as_u8 = {
+	    0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	    0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02}
+};
+
+#endif /* included_vnet_dhcp6_client_common_dp_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */