Re: [lwip-users] lwip_send() not sending correct amount of data?

[pekez]

You are right, bytes are not missing, I just checked. This is not a real 
problem then, it's just lack of understanding of TCP. :) It was strange 
at first because I don't have similar problems at all when sending from 
PC to ZYNQ.

When it comes to capture files, I am quite new to that, so I am not 
really sure how to make them smaller. Any reference about this will be 
great.

Thanks for quick answer!

Regards

On 5.12.2016 14:24, Simon Goldschmidt wrote:
> pekez wrote:
> > The problem is that after some number of packets, client app receives
> > less than TCP_MAX_DATA_LEN (which is 1446) bytes even though it isn't
> > supposed to receive packet of that size at that moment. For example,
> > after 1013rd packet sent, client receives packet that is less than 1446.
> TCP does NOT send packets, it sends a stream. As such, a remote host will
> receive arbitrary sized chunks. TCP only guarantees to deliver the bytes in
> the exact order. Are you missing bytes or only complaining about segmentation?
>
> > [..] I am providing capture file (please download it from this link
> I'm really too lazy to do that. Instead, keep your capture file small and your
> mail won't be rejected again ;-)
>
>
> Simon
>
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