From: Eugene Surovegin <ebs@ebshome.net>
To: Andrew May <acmay@acmay.homeip.net>
Cc: Jacky Lam <jackylam@astri.org>, linuxppc-embedded@lists.linuxppc.org
Subject: Re: Small UDP packet performance
Date: Tue, 20 Jan 2004 17:16:50 -0800 [thread overview]
Message-ID: <20040121011650.GA3905@gate.ebshome.net> (raw)
In-Reply-To: <20040120232342.GA20399@acmay.homeip.net>
On Tue, Jan 20, 2004 at 03:23:42PM -0800, Andrew May wrote:
> Here is what I have done for a NAPI version of the driver. I don't have time
> either to do a patch or merge this up to the latest kernel. I have frozen down
> at 2.4.21-pre4 somewhere and I won't be merging anytime soon. It is stable for
> me.
Looks OK, although I chose another way to disable RX IRQs :)
Sad thing is because of bad MAL design NAPI will be limited to one
EMAC per MAL (there is no way to disable IRQ generation on channel
basis), it's not an issue for 405, but for 440 I haven't figured
out how to overcome this limitation yet.
Andrew, I'm just curious, you probably did some measurements with
your NAPI driver, care to share them :) ?
Eugene
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2004-01-21 1:16 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-19 3:44 Small UDP packet performance Jacky Lam
2004-01-19 5:28 ` Eugene Surovegin
2004-01-19 5:47 ` Eugene Surovegin
2004-01-20 0:48 ` Jacky Lam
2004-01-20 1:02 ` Eugene Surovegin
2004-01-20 23:23 ` Andrew May
2004-01-21 1:16 ` Eugene Surovegin [this message]
2004-01-21 2:05 ` Andrew May
2004-01-21 3:38 ` Eugene Surovegin
2004-01-22 9:26 ` Jacky Lam
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