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Date: Sun, 28 Sep 2014 17:27:49 -0400 (EDT) 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: exploit skb->xmit_more to conditionally send doorbell From: Eric Dumazet <eric.dumazet@...il.com> Date: Thu, 25 Sep 2014 07:17:49 -0700 > From: Eric Dumazet <edumazet@...gle.com> > > 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 <edumazet@...gle.com> Applied, thanks Eric. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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