[2945] Add missing doxygen comments

src/bin/auth/auth_srv.cc

@@ -299,7 +299,8 @@ public:
     ///
     /// \param server The DNSServer as passed to processMessage()
     /// \param message The response as constructed by processMessage()
-    /// \param stats_attrs TODO
+    /// \param stats_attrs Object to store message attributes in for use
+    ///                    with statistics
     /// \param done If true, it indicates there is a response.
     ///             this value will be passed to server->resume(bool)
     void resumeServer(isc::asiodns::DNSServer* server,

src/bin/auth/auth_srv.h

@@ -104,7 +104,8 @@ public:
     /// process.  It's normally a reference to an xfr::XfroutClient object,
     /// but can refer to a local mock object for testing (or other
     /// experimental) purposes.
-    /// \param ddns_forwarder TODO
+    /// \param ddns_forwarder Forwarder to which DDNS UPDATE requests
+    ///                       are passed to
     AuthSrv(isc::xfr::AbstractXfroutClient& xfrout_client,
             isc::util::io::BaseSocketSessionForwarder& ddns_forwarder);
     ~AuthSrv();

src/lib/datasrc/memory/domaintree.h

@@ -960,7 +960,10 @@ public:
     ///
     /// \param mem_sgmt A \c MemorySegment from which memory for the new
     /// \c DomainTree is allocated.
-    /// \param return_empty_node TODO
+    /// \param return_empty_node Whether \c find() on this tree should
+    ///                          return empty nodes (which contain no
+    ///                          data). If it's \c true, \c find() will
+    ///                          match and return empty nodes.
     static DomainTree* create(util::MemorySegment& mem_sgmt,
                               bool return_empty_node = false)
     {

tests/tools/perfdhcp/stats_mgr.h

@@ -260,7 +260,7 @@ public:
         /// assumed dropped. Negative value disables it.
         /// \param archive_enabled if true packets archive mode is enabled.
         /// In this mode all packets are stored throughout the test execution.
-        /// \param boot_time time when test started TODO or is to be started?
+        /// \param boot_time time when test was started
         ExchangeStats(const ExchangeType xchg_type,
                       const double drop_time,
                       const bool archive_enabled,