How can i build a tftp server in u-boot?

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Hi smalllight,

could you please explain how you did so.

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Hi, MFM

In the fact,the tftp server is very similar with a tftp client

In the u-boot, there are no the code about WRQ.

if a tftp client want transport a file to tftp server.

it will send a WRQ to tftpserver,the tftp server will send a ACK to client when the receive the WRQ packet.

then the client will transport the fill 512 bytes in once.

when the server receive the data packey,it send a ACK packet to client.

if the data length is smaller than 512 bytes, the file transport success.

so I add some code to ask the WRQ packet in the function TftpHandle

and change the TftpOurPort to WELL_KNOWN_PORT and you must Save the Client IP when you receive the ARP packet.

Before your work,you should read the tftp protcol document.