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Date:      Mon, 22 Jan 2007 20:43:14 +0100
From:      Andre Oppermann <andre@freebsd.org>
To:        Julian Elischer <julian@elischer.org>
Cc:        Steve Watt <steve@Watt.COM>, Uwe Doering <gemini@geminix.org>, net@freebsd.org
Subject:   Re: Interesting TCP issue
Message-ID:  <45B513D2.2060602@freebsd.org>
In-Reply-To: <45B512A0.5030502@elischer.org>
References:  <200701221546.l0MFk27m081898@wattres.watt.com> <45B50C5B.2080600@elischer.org> <45B50D87.2050208@freebsd.org> <45B512A0.5030502@elischer.org>

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Julian Elischer wrote:
> Andre Oppermann wrote:
> 
>>>> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/netinet/tcp_input.c.diff?r1=1.290&r2=1.291 
>>>>
>>>> } 
>>>> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/netinet/tcp_syncache.c.diff?r1=1.84&r2=1.85 
>>>>
>>>> } 
>>>> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/netinet/tcp_var.h.diff?r1=1.127&r2=1.128 
>>>>
>>>> } } How about the modifications in 'tcp_input.c'?  Are they relevant 
>>>> to the } problem this thread is about?  If so, assessing the 
>>>> correctness of an } MFC might prove to be a little harder.
>>>
>>>
>>>
>>> That's why I asked Andre to look at it but he's not responding..
>>
>> He's about to re-appear @freebsd.
>>
> 
> great.. The TCP code is a bit like a house of cards..  Unless one is
> up-to-date and has it all 'loaded' into one's mental cache, it is
> all to easy to screw up function A by fixing code related to function B.
> As I'm not 'loaded' I'm loathe to just MFC the one patch without being 
> sure what the other two are..

Yes, it's a bit messy and there are many side effects.  I've cleaned up
some parts in my local tree but it's a tedious task because it's so inter-
mingled all over.

> BTW Andre you might MFC to back to 5 and 4 too if you could..

Will look at it.

-- 
Andre




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