Re: Very poor TCP/SACK performance

David S. Miller (davem@dm.cobaltmicro.com)
Tue, 8 Sep 1998 05:44:00 -0700


From: alan@lxorguk.ukuu.org.uk (Alan Cox)
Date: Tue, 8 Sep 1998 14:41:08 +0100 (BST)

The only really important thing for current code will be that
rx_copybreak is > about 2/3rds of the MTU of the device using it.

I had to tune exactly that for better behavior in the sunhme driver on
Sparc for this very reason.

Later,
David S. Miller
davem@dm.cobaltmicro.com

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