SPRACT8 September   2020 66AK2H06 , 66AK2H12 , 66AK2H14

 

  1.   Abstract
  2.   Trademarks
  3. 1Introduction
    1. 1.1 TI Processor SDK RTOS
    2. 1.2 TI NDK
    3. 1.3 66AK2H Device
    4. 1.4 FTP Offering in TI Processor SDK RTOS
  4. 2Hardware and Software
  5. 3Develop the FTP Server on K2H
    1. 3.1 Reference FTP Server Example
    2. 3.2 Create K2H FTP Server Example
    3. 3.3 Test K2H FTP Server Example
  6. 4Performance Tuning
    1. 4.1 Quick Code Check
      1. 4.1.1 FTP Transmitting Code Check
      2. 4.1.2 FTP Receiving Code Check
      3. 4.1.3 CCS Project Optimization
    2. 4.2 Increase the TCP Buffer Sizes
    3. 4.3 UIA CPU Load Instrumentation
    4. 4.4 What Can We Do on the PC Side?
      1. 4.4.1 TCP Window Scaling Check
      2. 4.4.2 Receive Interrupt Coalescing Check
    5. 4.5 What Else Can We Do on the K2H Side?
      1. 4.5.1 TCP/IP Checksum Offloading Check
      2. 4.5.2 NIMU Driver Efficiency Profiling
      3. 4.5.3 Receive Interrupt Coalescing
    6. 4.6 Final FTP Throughput Results
  7. 5Summary
  8. 6References

4.4 What Can We Do on the PC Side?

Wireshark is a good tool to capture and analyze packet traffic for further insight. A usage example is illustrated below for a long data transfer from the K2H EVM to PC with throughput 45MB/s.