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Date:	Sun, 28 Sep 2014 17:27:49 -0400 (EDT)
From:	David Miller <>
Subject: Re: [PATCH net-next] mlx4: exploit skb->xmit_more to conditionally
 send doorbell

From: Eric Dumazet <>
Date: Thu, 25 Sep 2014 07:17:49 -0700

> From: Eric Dumazet <>
> skb->xmit_more tells us if another skb is coming next.
> We need to send doorbell when : xmit_more is not set,
> or txqueue is stopped (preventing next skb to come immediately)
> Tested with a modified pktgen version, I got a 40% increase of
> throughput.
> Signed-off-by: Eric Dumazet <>

Applied, thanks Eric.
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