netdev - Re: [PATCH] bonding: allow TSO being set on bonding master

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Message-ID: <1368684572.3301.14.camel@edumazet-glaptop>
Date:	Wed, 15 May 2013 23:09:32 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Michał Mirosław <mirqus@...il.com>
Cc:	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>, Jay Vosburgh <fubar@...ibm.com>,
	Maciej Żenczykowski <maze@...gle.com>,
	Andy Gospodarek <andy@...yhouse.net>,
	Tom Herbert <therbert@...gle.com>,
	Neal Cardwell <ncardwell@...gle.com>,
	Yuchung Cheng <ycheng@...gle.com>
Subject: Re: [PATCH] bonding: allow TSO being set on bonding master

On Thu, 2013-05-16 at 07:45 +0200, Michał Mirosław wrote:

> This should enable GSO if at least one slave has it on. What features
> (tx-tcp*) the slaves have?

Both slaves have tso off, gso on.

(Let's say for some tricky hardware bug on the NIC)

We want to not do tso on the NIC, but do the GSO segmentation right
before NIC.

It brings about 30% improvement.


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