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Re: [lwip-users] lwip whole performance down
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From: |
Sylvain Rochet |
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Subject: |
Re: [lwip-users] lwip whole performance down |
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Date: |
Thu, 17 May 2012 11:50:05 +0200 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
Salut Vincent,
On Thu, May 17, 2012 at 12:35:10AM +0000, vincent cui wrote:
>
> [...]
> I found that it takes a 1 or 2 seconds to open connect successfully .
> [...]
It looks like a not acknowledged SYN packet, which might be dropped
somewhere from your PHY to lwIP TCP and which is then sent again by your
TCP client, use Wireshark and check the TCP flow ! :-)
Sylvain
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- [lwip-users] lwip whole performance down, vincent cui, 2012/05/15
- Re: [lwip-users] lwip whole performance down, vincent cui, 2012/05/16
- Re: [lwip-users] lwip whole performance down, Bill Auerbach, 2012/05/16
- Re: [lwip-users] lwip whole performance down, Sylvain Rochet, 2012/05/16
- Re: [lwip-users] lwip whole performance down, vincent cui, 2012/05/16
- Re: [lwip-users] lwip whole performance down,
Sylvain Rochet <=
- Re: [lwip-users] lwip whole performance down, vincent cui, 2012/05/17
- Re: [lwip-users] lwip whole performance down, Sylvain Rochet, 2012/05/17
- Re: [lwip-users] lwip whole performance down, vincent cui, 2012/05/17
- Re: [lwip-users] lwip whole performance down, Sylvain Rochet, 2012/05/17
- Re: [lwip-users] lwip whole performance down, vincent cui, 2012/05/17
- Re: [lwip-users] lwip whole performance down, Sylvain Rochet, 2012/05/18