From: Brian Kuschak <bkuschak@yahoo•com>
To: "Vladimir A. Gurevich" <vag@paulidav•org>
Cc: linuxppc-embedded@lists•linuxppc.org, linuxppc@opqua•com
Subject: Re: routing performance w/embedded linux on ppc?
Date: Mon, 1 Dec 2003 11:08:28 -0800 (PST) [thread overview]
Message-ID: <20031201190828.20157.qmail@web40911.mail.yahoo.com> (raw)
In-Reply-To: <3FC59BAE.3020801@paulidav.org>
Hi Vlad,
>
> Starting with 2.4.19 or so, I'd recommend looking at
> NAPI to do
> interrupt mitigation instead. Please look at
> ftp://robur.slu.se/pub/Linux/net-development/NAPI/
>
Yes, it looks interesting! I'm glad this is being
introduced as a mechanism for all drivers to use.
I haven't had time to study it in detail, but I'm a
little concerned about NAPI using the softirq context.
In the 2.4 kernels I've seen various performance
issues related to ksoftirqd. Perhaps this has been
fixed in 2.6...
> > On top of that, you can implement
> > CONFIG_NET_FASTROUTE in the driver, bypassing most
> of
> > the IP stack.
>
> But, of course, you'll loose IP tables. Also,
Yes, an important point.
-Brian
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2003-12-01 19:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-26 18:18 routing performance w/embedded linux on ppc? Brian Kuschak
2003-11-27 4:11 ` linuxppc user
2003-11-27 6:37 ` Vladimir A. Gurevich
2003-12-01 19:08 ` Brian Kuschak [this message]
[not found] <F9102D41F595D311ACA7009027DE2C8408EBBA92@c3po.heurikon.com>
2003-11-26 4:21 ` linuxppc user
-- strict thread matches above, loose matches on Subject: below --
2003-11-25 4:18 linuxppc user
2003-11-26 19:18 ` Peter Vandenabeele
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20031201190828.20157.qmail@web40911.mail.yahoo.com \
--to=bkuschak@yahoo$(echo .)com \
--cc=linuxppc-embedded@lists$(echo .)linuxppc.org \
--cc=linuxppc@opqua$(echo .)com \
--cc=vag@paulidav$(echo .)org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox