Subject: Re: RTL8169 hw IP4CSUM_Tx workaround
To: Izumi Tsutsui <email@example.com>
From: Manuel Bouyer <firstname.lastname@example.org>
Date: 10/26/2006 18:39:50
On Fri, Oct 27, 2006 at 01:01:51AM +0900, Izumi Tsutsui wrote:
> email@example.com wrote:
> > Lots of TCP ACK for example.
> How can I produce such packets?
> Currently my macppc shows:
> % vmstat -e | grep re0
> re0 total TX packets 2621680 320 misc
> re0 total padded packets 53 0 misc
> re0 padded 1 seg packets 48 0 misc
> re0 padded 1 seg packets no trailing space 48 0 misc
> re0 padded 2 seg packets 1 0 misc
> re0 padded more seg packets 4 0 misc
Hum, I don't know it may depend on TCP options. When I wrote the tl driver
padding I remember seeing much more short packets than that.
Maybe it depends on UDP traffic too (like NIS or DNS).
Manuel Bouyer <firstname.lastname@example.org>
NetBSD: 26 ans d'experience feront toujours la difference