netdev - Re: [PATCH net-next] mlx4: only pull headers into skb head

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Date:	Fri, 05 Sep 2014 22:35:47 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org, amirv@...lanox.com
Subject: Re: [PATCH net-next] mlx4: only pull headers into skb head

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Fri, 05 Sep 2014 18:29:45 -0700

> From: Eric Dumazet <edumazet@...gle.com>
> 
> Use the new fancy eth_get_headlen() to pull exactly the headers
> into skb->head.
> 
> This speeds up GRE traffic (or more generally tunneled traffuc),
> as GRO can aggregate up to 17 MSS per GRO packet instead of 8.
> 
> (Pulling too much data was forcing GRO to keep 2 frags per MSS)
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Looks great, applied, thanks Eric.
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