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Re: [lwip-users] tcp_write function merges 2 different packets while sen
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From: |
goldsimon |
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Subject: |
Re: [lwip-users] tcp_write function merges 2 different packets while sending |
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Date: |
Sat, 21 Dec 2019 09:53:16 +0100 |
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User-agent: |
K-9 Mail for Android |
Urvi wrote:
>[..]
>
>But when I send 1 data packet of size=6 bytes (call tcp_write() and
>then
>tcp_output()) and next packet of size=45 bytes (call tcp_write() and
>then
>tcp_output()), then at server side it receives as a one single data
>packet
>of size=51 bytes; due to this my complete data packet becomes garbage
>and I
>got failure in communication. (this is just one packet example, but it
>happens often).
>
>
>How to solve this issue?
That's expected TCP behaviour, not an lwIP issue. Of you need datagrams
strictly separated, use UDP.
Regards,
Simon