SMSC9118网卡驱动，在pxa270上调试并达到很好的传输速率，并实现了DMA的packet发送和接收，在WinCE5.0上测试通过-SMSC9118 card driver, in the PXA270 debugging and achieve a good transfer rate, and realize the DMA of the packet to send and receive, in WinCE5.0 test