added neighbor advertisement sending after dad complete. (ARMmbed#1713)

Author: deepakvenugopal

source/6LoWPAN/Thread/thread_bbr_api.c

@@ -943,7 +943,7 @@ void thread_bbr_seconds_timer(int8_t interface_id, uint32_t seconds)
 #endif // HAVE_THREAD_ROUTER
 
 #ifdef HAVE_THREAD_BORDER_ROUTER
-static int thread_bbr_na_send(int8_t interface_id, const uint8_t target[static 16])
+int thread_bbr_na_send(int8_t interface_id, const uint8_t target[static 16])
 {
     protocol_interface_info_entry_t *cur = protocol_stack_interface_info_get_by_id(interface_id);
     if (!cur) {

source/6LoWPAN/Thread/thread_bbr_api_internal.h

@@ -111,6 +111,13 @@ int thread_bbr_nd_entry_add(int8_t interface_id, const uint8_t *addr_data_ptr, u
  */
 int thread_bbr_dua_entry_add (int8_t interface_id, const uint8_t *addr_data_ptr, uint32_t lifetime, const uint8_t *mleid_ptr);
 
+/**
+ * \brief Send na
+ *
+ * \param interface_id addr_data_ptr lifetime info mleid_ptr
+ */
+int thread_bbr_na_send(int8_t interface_id, const uint8_t target[static 16]);
+
 /**
  * \brief Find if bbr has dua entry
  *
@@ -125,6 +132,7 @@ struct ipv6_route *thread_bbr_dua_entry_find(int8_t interface_id, const uint8_t
 #define thread_bbr_nd_entry_add(interface_id, addr_data_ptr, lifetime, info) (0)
 #define thread_bbr_dua_entry_add(interface_id, addr_data_ptr, lifetime, mleid_ptr) (0)
 #define thread_bbr_dua_entry_find(interface_id, addr_data_ptr) (NULL)
+#define thread_bbr_na_send(interface_id, target) (0)
 #endif //HAVE_THREAD_BORDER_ROUTER
 
 

source/6LoWPAN/Thread/thread_extension_bbr.c

@@ -486,7 +486,7 @@ static void thread_pbbr_pro_bb_ntf_process(protocol_interface_info_entry_t *cur,
     (void) network_name_ptr;
     (void) network_name_len;
     thread_pbbr_dua_info_t *mleid_dua_map;
-    thread_pbbr_t *this = thread_border_router_find_by_service(cur->id);
+    thread_pbbr_t *this = thread_bbr_find_by_interface(cur->id);
     if (!this) {
         return;
     }
@@ -1134,6 +1134,7 @@ static void thread_extension_bbr_dad_process(protocol_interface_info_entry_t *cu
                 // dad completed
                 // send PRO_BB.ntf and delete dad entry
                 thread_border_router_bb_ans_send(this, this->pbbr_multicast_address, cur_dup_tr->target_eid, cur_dup_tr->ml_eid, 0, thread_joiner_application_network_name_get(cur->id), NULL);
+                thread_bbr_na_send(this->backbone_interface_id, cur_dup_tr->target_eid);
                 thread_border_router_dup_tr_delete(cur_dup_tr);
             }
         }