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Re: [IP6IP6] Handle ECN correctly

To: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [IP6IP6] Handle ECN correctly
From: "David S. Miller" <davem@xxxxxxxxxxxxx>
Date: Fri, 10 Sep 2004 14:58:22 -0700
Cc: netdev@xxxxxxxxxxx
In-reply-to: <20040910070242.GA28017@xxxxxxxxxxxxxxxxxxx>
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On Fri, 10 Sep 2004 17:02:42 +1000
Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> wrote:

> On Fri, Sep 10, 2004 at 10:31:58AM +1000, herbert wrote:
> > 
> > Hmm, perhaps I'm still confused.  But it seems that the ability to
> > set the TOS to any value other than *1 is already there for ipip/ip_gre.
> > 
> > That feature is missing for SIT and IPsec though.
> > 
> > We may also want to use the TOS value from parms to decide whether we want
> > to encapsulate/decapsulate ECN.
> > 
> > Is my understanding correct?
> 
> Obviously not.  Although we've got this stuff on the transmit side,
> we don't do this on the receive side.

That's right, on decap we don't provide a way to choose
the TOS selection.

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