Implement DHCPv6 IA NA client (VPP-1094)

Change-Id: I682a47d6cf9975aca6136188d28ee93eaadf4fe3
Signed-off-by: Juraj Sloboda <jsloboda@cisco.com>

1 files changed, 176 insertions, 0 deletions

diff --git a/src/vnet/dhcp/dhcp6_ia_na_client_dp.h b/src/vnet/dhcp/dhcp6_ia_na_client_dp.h
new file mode 100644
index 00000000000..a866479fbaf
--- /dev/null
+++ b/src/vnet/dhcp/dhcp6_ia_na_client_dp.h
@@ -0,0 +1,176 @@
+/*
+ * 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_dp_h
+#define included_vnet_dhcp6_client_dp_h
+
+#include <vlib/vlib.h>
+#include <vnet/dhcp/dhcp6_client_common_dp.h>
+
+typedef struct
+{
+  u32 preferred_lt;
+  u32 valid_lt;
+  ip6_address_t address;
+} dhcp6_send_client_message_params_address_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_send_client_message_params_address_t *addresses;
+} dhcp6_send_client_message_params_t;
+
+typedef struct
+{
+  u8 entry_valid;
+  u8 keep_sending_client_message;	/* when true then next fields are valid */
+  dhcp6_send_client_message_params_t params;
+  f64 transaction_start;
+  f64 sleep_interval;
+  f64 due_time;
+  u32 n_left;
+  f64 start_time;
+  u32 transaction_id;
+  vlib_buffer_t *buffer;
+  u32 elapsed_pos;
+  u32 adj_index;
+} dhcp6_ia_na_client_state_t;
+
+typedef struct
+{
+  dhcp6_ia_na_client_state_t *client_state_by_sw_if_index;
+
+  uword publisher_node;
+  uword publisher_et;
+
+  u32 seed;
+
+  /* convenience */
+  vlib_main_t *vlib_main;
+  vnet_main_t *vnet_main;
+} dhcp6_ia_na_client_main_t;
+
+extern dhcp6_ia_na_client_main_t dhcp6_ia_na_client_main;
+
+typedef struct
+{
+  ip6_address_t address;
+  u32 valid_time;
+  u32 preferred_time;
+  u16 status_code;
+} dhcp6_address_info_t;
+
+typedef struct
+{
+  dhcp6_report_common_t body;
+  u32 n_addresses;
+  dhcp6_address_info_t *addresses;
+} address_report_t;
+
+#define vl_typedefs		/* define message structures */
+#include <vnet/vnet_all_api_h.h>
+#undef vl_typedefs
+
+void dhcp6_send_client_message (vlib_main_t * vm, u32 sw_if_index, u8 stop,
+				dhcp6_send_client_message_params_t * params);
+void dhcp6_set_publisher_node (uword node_index, uword event_type);
+int dhcp6_publish_report (address_report_t * r);
+
+
+void
+  vl_api_want_dhcp6_reply_events_t_handler
+  (vl_api_want_dhcp6_reply_events_t * mp);
+void
+  vl_api_dhcp6_send_client_message_t_handler
+  (vl_api_dhcp6_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_reply_process_node;
+
+enum
+{ DHCP6_DP_REPLY_REPORT, DHCP6_DP_REPORT_MAX };
+
+typedef struct _vnet_dhcp6_reply_function_list_elt
+{
+  struct _vnet_dhcp6_reply_function_list_elt *next_dhcp6_reply_event_function;
+  clib_error_t *(*fp) (vl_api_dhcp6_reply_event_t * mp);
+} _vnet_dhcp6_reply_event_function_list_elt_t;
+
+typedef struct
+{
+  _vnet_dhcp6_reply_event_function_list_elt_t *functions;
+} dhcp6_ia_na_client_public_main_t;
+
+extern dhcp6_ia_na_client_public_main_t dhcp6_ia_na_client_public_main;
+
+#define VNET_DHCP6_REPLY_EVENT_FUNCTION(f)                                \
+                                                                          \
+static void __vnet_dhcp6_reply_event_function_init_##f (void)             \
+    __attribute__((__constructor__)) ;                                    \
+                                                                          \
+static void __vnet_dhcp6_reply_event_function_init_##f (void)             \
+{                                                                         \
+ dhcp6_ia_na_client_public_main_t * nm = &dhcp6_ia_na_client_public_main; \
+ static _vnet_dhcp6_reply_event_function_list_elt_t init_function;        \
+ init_function.next_dhcp6_reply_event_function = nm->functions;           \
+ nm->functions = &init_function;                                          \
+ init_function.fp = (void *) &f;                                          \
+}                                                                         \
+                                                                          \
+static void __vnet_dhcp6_reply_event_function_deinit_##f (void)           \
+    __attribute__((__destructor__)) ;                                     \
+                                                                          \
+static void __vnet_dhcp6_reply_event_function_deinit_##f (void)           \
+{                                                                         \
+ dhcp6_ia_na_client_public_main_t * nm = &dhcp6_ia_na_client_public_main; \
+ _vnet_dhcp6_reply_event_function_list_elt_t *next;                       \
+ if (nm->functions->fp == (void *) &f)                                    \
+    {                                                                     \
+      nm->functions =                                                     \
+        nm->functions->next_dhcp6_reply_event_function;                   \
+      return;                                                             \
+    }                                                                     \
+  next = nm->functions;                                                   \
+  while (next->next_dhcp6_reply_event_function)                           \
+    {                                                                     \
+      if (next->next_dhcp6_reply_event_function->fp == (void *) &f)       \
+        {                                                                 \
+          next->next_dhcp6_reply_event_function =                         \
+            next->next_dhcp6_reply_event_function->next_dhcp6_reply_event_function; \
+          return;                                                         \
+        }                                                                 \
+      next = next->next_dhcp6_reply_event_function;                       \
+    }                                                                     \
+}
+
+#endif /* included_vnet_dhcp6_client_dp_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */