Re: [PATCH] tilegx: fix some issues in the SW TSO support

From: Ben Hutchings
Date: Thu Oct 25 2012 - 13:51:46 EST


On Thu, 2012-10-25 at 13:25 -0400, Chris Metcalf wrote:
> This change correctly computes the header length and data length in
> the fragments to avoid a bug where we would end up with extremely
> slow performance. Also adopt use of skb_frag_size() accessor.
[...]

By the way, since you're doing soft-TSO you should probably set
net_device::gso_max_segs, as explained in:

commit 30b678d844af3305cda5953467005cebb5d7b687
Author: Ben Hutchings <bhutchings@xxxxxxxxxxxxxx>
Date: Mon Jul 30 15:57:00 2012 +0000

net: Allow driver to limit number of GSO segments per skb

Ben.

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Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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