[U-Boot] Different Port for TFTP communication

[Wolfgang Denk]

Dear Mario,

In message <20140407165243.3B074380958 at gemini.denx.de> I wrote:
> 
> As is, this cannot be changed.  The TFTP port number is hard wired
> in the code - see "net/tftp.c":
> 
> ...
>  18 /* Well known TFTP port # */
>  19 #define WELL_KNOWN_PORT 69
> ...

Actually this is not correct.  There are options to use different port
numbers, see further down below in the same file:

798 #ifdef CONFIG_TFTP_PORT
799         ep = getenv("tftpdstp");
800         if (ep != NULL)
801                 TftpRemotePort = simple_strtol(ep, NULL, 10);
802         ep = getenv("tftpsrcp");
803         if (ep != NULL)
804                 TftpOurPort = simple_strtol(ep, NULL, 10);
805 #endif


So just make sure to define CONFIG_TFTP_PORT in your board config
file, and set the environment variables tftpdstp and/or tftpsrcp as
needed.

Hope this helps.

Best regards,

Wolfgang Denk

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