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Re: bad TSO performance in 2.6.9-rc2-BK

To: "David S. Miller" <davem@xxxxxxxxxxxxx>
Subject: Re: bad TSO performance in 2.6.9-rc2-BK
From: Nivedita Singhvi <niv@xxxxxxxxxx>
Date: Tue, 28 Sep 2004 00:20:50 -0700
Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>, jheffner@xxxxxxx, ak@xxxxxxx, andy.grover@xxxxxxxxx, anton@xxxxxxxxx, netdev@xxxxxxxxxxx
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David S. Miller wrote:

Bright minds think alike.  :-)  We have to keep all the other
packet counts in sync as well.

Andi, others, forget my previous hack patch to tcp_clean_rtx_queue()
and give this more complete patch a try.

I'm getting really good results here on my tg3<-->tg3 setup using
this patch.

Dave, were you seeing a significant number of retransmissions and sacks in your tests?


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