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From: David Miller <davem@davemloft.net>
To: mchan@broadcom.com
Cc: ravinandan.arakali@neterion.com, herbert@gondor.apana.org.au,
	netdev@vger.kernel.org
Subject: Re: [PATCH]NET: Add ECN support for TSO
Date: Fri, 07 Jul 2006 15:52:00 -0700 (PDT)	[thread overview]
Message-ID: <20060707.155200.78471289.davem@davemloft.net> (raw)
In-Reply-To: <20060707.145932.66155147.davem@davemloft.net>

From: David Miller <davem@davemloft.net>
Date: Fri, 07 Jul 2006 14:59:32 -0700 (PDT)

> From: "Michael Chan" <mchan@broadcom.com>
> Date: Fri, 7 Jul 2006 13:57:11 -0700
> 
> > RFC3540 is still experimental I believe and it is not implemented
> > in the Linux stack.  Even if it is implemented and the NS bit is set,
> > I think the TSO logic can simply replicate the NS bit as each TSO
> > divided segment contains the same acknowledgement information from
> > the original super segment.
> > 
> > We should hear Herbert, David, or others' opinions on this.
> 
> I'm studying the RFC right now just to make sure your assesment is
> accurate.  It probably is :)

Ok, this is correct.  TSO should simply replicate the NS bit
because the cumulative ACK is going to be the same in each
and every packet emitted.

  reply	other threads:[~2006-07-07 22:51 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-07-07 20:57 [PATCH]NET: Add ECN support for TSO Michael Chan
2006-07-07 21:59 ` David Miller
2006-07-07 22:52   ` David Miller [this message]
  -- strict thread matches above, loose matches on Subject: below --
2006-07-14 16:12 Dan Reader
2006-07-26 19:40 ` Michael Chan
2006-07-13 19:35 Michael Chan
2006-07-14  5:03 ` David Miller
2006-07-12  4:53 Michael Chan
2006-07-12  6:11 ` David Miller
2006-07-12 17:15   ` Ravinandan Arakali
2006-07-08  1:01 Michael Chan
2006-07-08 20:32 ` David Miller
2006-07-12  1:45   ` Ravinandan Arakali
2006-07-12  1:51     ` David Miller
2006-07-13 17:26   ` Ravinandan Arakali
2006-06-28  3:06 Michael Chan
2006-06-28  3:10 ` Herbert Xu
2006-06-28  3:40   ` Michael Chan
2006-06-28  3:48     ` Herbert Xu
2006-06-28  4:37       ` Michael Chan
2006-06-28  4:42         ` Herbert Xu
2006-06-28  4:54           ` Michael Chan
2006-06-28  4:57             ` Herbert Xu
2006-06-29 19:30         ` David Miller
2006-07-07 18:56 ` Ravinandan Arakali

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