| To: | Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: TSO + e1000 |
| From: | Anton Blanchard <anton@xxxxxxxxx> |
| Date: | Mon, 6 Dec 2004 12:43:49 +1100 |
| Cc: | netdev@xxxxxxxxxxx, ganesh.venkatesan@xxxxxxxxx, jesse.brandeburg@xxxxxxxxx, john.ronciak@xxxxxxxxx |
| In-reply-to: | <E1Cb7dy-000588-00@xxxxxxxxxxxxxxxxxxxxxxxx> |
| References: | <20041205232226.GA5757@xxxxxxxxxxxxxxxxxxxxxxxxxx> <E1Cb7dy-000588-00@xxxxxxxxxxxxxxxxxxxxxxxx> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
| User-agent: | Mutt/1.5.6+20040907i |
> > Now if we do a single direction test it takes forever for TSO to kick > > in. At the moment Im not sure why this is happening, tcp_current_mss > > seems to grow correctly in both cases. Is there somewhere else we are > > capping TSO packets? > > What call does your application use to do the sending? Just doing big writes: send(4, " !\"#$%&\'()*+,-./0123456789:;<=>?"..., 262144, 0) = 262144 Anton |
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