Re: Extremely slow network with e1000 & ip_conntrack

From: David S. Miller
Date: Thu Dec 04 2003 - 13:35:38 EST

On Thu, 4 Dec 2003 09:37:19 -0800
"Feldman, Scott" <scott.feldman@xxxxxxxxx> wrote:

> TSO is support on 82540. Turning off TSO is a workaround, but what's
> behind the dependency of TSO and ip_conntrack?

Netfilter wants to see the _real_ packets that will be sent onto the
wire. TSO is a template by which to create such packets, not the real

So when and if we go into netfilter, we must un-TSO the packet so
that netfilter can look at what it really wants to.
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