netdev - Re: rare bad TCP checksum with 2.6.19?

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Message-ID: <45ABD710.5070105@tls.msk.ru>
Date:	Mon, 15 Jan 2007 22:33:36 +0300
From:	Michael Tokarev <mjt@....msk.ru>
To:	Eric Dumazet <dada1@...mosbay.com>
CC:	Herbert Xu <herbert@...dor.apana.org.au>, netdev@...r.kernel.org
Subject: Re: rare bad TCP checksum with 2.6.19?

Eric Dumazet wrote:
> Michael Tokarev a e'crit :
>>
>> Any idea how to force sending FIN-with-data?
> 
> int flag_on = 1;
> setsockopt(fd, SOL_TCP, TCP_CORK, &flag_on, sizeof(int));
> send(fd, data, datalen, 0);
> close(fd);

That produces two packets - one (or more - depending on the
size) data packet and one FIN packet w/o any data.

This is the first thing I've tried.

/mjt
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