Implement DHCPv6 PD client (VPP-718, VPP-1050)

Change-Id: I72a1ccdfdd5573335ef78fc01d5268934c73bd31
Signed-off-by: Juraj Sloboda <jsloboda@cisco.com>

1 files changed, 130 insertions, 0 deletions

diff --git a/src/vnet/dhcp/dhcp6_pd_client_dp.h b/src/vnet/dhcp/dhcp6_pd_client_dp.h
new file mode 100644
index 00000000000..eec8fe838df
--- /dev/null
+++ b/src/vnet/dhcp/dhcp6_pd_client_dp.h
@@ -0,0 +1,130 @@
+/*
+ * 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_pd_client_dp_h
+#define included_vnet_dhcp6_pd_client_dp_h
+
+#include <vlib/vlib.h>
+
+#define vl_typedefs		/* define message structures */
+#include <vnet/vnet_all_api_h.h>
+#undef vl_typedefs
+
+typedef struct
+{
+  u32 preferred_lt;
+  u32 valid_lt;
+  ip6_address_t prefix;
+  u8 prefix_length;
+} dhcp6_pd_send_client_message_params_prefix_t;
+
+typedef struct
+{
+  u32 sw_if_index;
+  u32 server_index;
+  u32 irt;
+  u32 mrt;
+  u32 mrc;
+  u32 mrd;
+  u8 msg_type;
+  u32 T1;
+  u32 T2;
+  dhcp6_pd_send_client_message_params_prefix_t *prefixes;
+} dhcp6_pd_send_client_message_params_t;
+
+void dhcp6_pd_send_client_message (vlib_main_t * vm, u32 sw_if_index, u8 stop,
+				   dhcp6_pd_send_client_message_params_t *
+				   params);
+void dhcp6_pd_set_publisher_node (uword node_index, uword event_type);
+void dhcp6_clients_enable_disable (u8 enable);
+
+void
+  vl_api_want_dhcp6_pd_reply_events_t_handler
+  (vl_api_want_dhcp6_pd_reply_events_t * mp);
+void
+  vl_api_dhcp6_pd_send_client_message_t_handler
+  (vl_api_dhcp6_pd_send_client_message_t * mp);
+void
+  vl_api_dhcp6_clients_enable_disable_t_handler
+  (vl_api_dhcp6_clients_enable_disable_t * mp);
+
+extern vlib_node_registration_t dhcp6_pd_reply_process_node;
+
+enum
+{ DHCP6_PD_DP_REPLY_REPORT, REPORT_MAX };
+
+typedef struct _vnet_dhcp6_pd_reply_function_list_elt
+{
+  struct _vnet_dhcp6_pd_reply_function_list_elt
+    *next_dhcp6_pd_reply_event_function;
+  clib_error_t *(*fp) (vl_api_dhcp6_pd_reply_event_t * mp);
+} _vnet_dhcp6_pd_reply_event_function_list_elt_t;
+
+typedef struct
+{
+  _vnet_dhcp6_pd_reply_event_function_list_elt_t *functions;
+} dhcp6_pd_client_public_main_t;
+
+extern dhcp6_pd_client_public_main_t dhcp6_pd_client_public_main;
+
+#define VNET_DHCP6_PD_REPLY_EVENT_FUNCTION(f)                             \
+                                                                          \
+static void __vnet_dhcp6_pd_reply_event_function_init_##f (void)          \
+    __attribute__((__constructor__)) ;                                    \
+                                                                          \
+static void __vnet_dhcp6_pd_reply_event_function_init_##f (void)          \
+{                                                                         \
+ dhcp6_pd_client_public_main_t * nm = &dhcp6_pd_client_public_main;       \
+ static _vnet_dhcp6_pd_reply_event_function_list_elt_t init_function;     \
+ init_function.next_dhcp6_pd_reply_event_function = nm->functions;        \
+ nm->functions = &init_function;                                          \
+ init_function.fp = (void *) &f;                                          \
+}                                                                         \
+                                                                          \
+static void __vnet_dhcp6_pd_reply_event_function_deinit_##f (void)        \
+    __attribute__((__destructor__)) ;                                     \
+                                                                          \
+static void __vnet_dhcp6_pd_reply_event_function_deinit_##f (void)        \
+{                                                                         \
+ dhcp6_pd_client_public_main_t * nm = &dhcp6_pd_client_public_main;       \
+ _vnet_dhcp6_pd_reply_event_function_list_elt_t *next;                    \
+ if (nm->functions->fp == (void *) &f)                                    \
+    {                                                                     \
+      nm->functions =                                                     \
+        nm->functions->next_dhcp6_pd_reply_event_function;                \
+      return;                                                             \
+    }                                                                     \
+  next = nm->functions;                                                   \
+  while (next->next_dhcp6_pd_reply_event_function)                        \
+    {                                                                     \
+      if (next->next_dhcp6_pd_reply_event_function->fp == (void *) &f)    \
+        {                                                                 \
+          next->next_dhcp6_pd_reply_event_function =                      \
+            next->next_dhcp6_pd_reply_event_function->next_dhcp6_pd_reply_event_function; \
+          return;                                                         \
+        }                                                                 \
+      next = next->next_dhcp6_pd_reply_event_function;                    \
+    }                                                                     \
+}
+
+#endif /* included_vnet_dhcp6_pd_client_dp_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */