/// <summary>
        /// Send data over RDMA
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        public NtStatus SendData(byte[] data)
        {
            RdmaSegment sge = new RdmaSegment();

            sge.Length        = (uint)data.LongLength;
            sge.MemoryHandler = 0;

            // register memory
            rdmaAdapter.RegisterMemory(sge.Length, out sge.MemoryHandler);
            // Write data to memory
            RdmaEndpoint.WriteToMemory(sge.MemoryHandler, data);

            // send
            UInt64   resultId;
            NtStatus status = (NtStatus)rdmaEndpoint.Send(new RdmaSegment[] { sge }, out resultId);

            if (status != NtStatus.STATUS_SUCCESS)
            {
                return(status);
            }
            // send request has been submitted
            requestCount++;
            rdmaNotificationSemaphore.Release();

            // get the notification
            SmbdRequestResult item = GetRequestResult(new TimeSpan(0, 0, 5), RequestType.Send);

            this.LogEvent(string.Format("Send data with result id: 0x{0:X}. And get notification with id: 0x{1:X}, status: {2}",
                                        resultId,
                                        item.ResultId,
                                        item.ResultInfo.Status
                                        ));

            // deregister memory
            rdmaAdapter.DeregisterMemory(sge.MemoryHandler);

            return((NtStatus)item.ResultInfo.Status);
        }
        /// <summary>
        /// Send data over RDMA
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        public NtStatus SendData(byte[] data)
        {
            RdmaSegment sge = new RdmaSegment();
            sge.Length = (uint)data.LongLength;
            sge.MemoryHandler = 0;

            // register memory
            rdmaAdapter.RegisterMemory(sge.Length, out sge.MemoryHandler);
            // Write data to memory
            RdmaEndpoint.WriteToMemory(sge.MemoryHandler, data);

            // send
            UInt64 resultId;
            NtStatus status = (NtStatus)rdmaEndpoint.Send(new RdmaSegment[] { sge }, out resultId);
            if (status != NtStatus.STATUS_SUCCESS)
            {
                return status;
            }
            // send request has been submitted
            requestCount++;
            rdmaNotificationSemaphore.Release();

            // get the notification
            SmbdRequestResult item = GetRequestResult(new TimeSpan(0, 0, 5), RequestType.Send);
            this.LogEvent(string.Format("Send data with result id: 0x{0:X}. And get notification with id: 0x{1:X}, status: {2}",
                resultId,
                item.ResultId,
                item.ResultInfo.Status
                ));

            // deregister memory
            rdmaAdapter.DeregisterMemory(sge.MemoryHandler);

            return (NtStatus)item.ResultInfo.Status;
        }