From: Stephen Hemminger <shemminger@vyatta.com>
To: Jarek Poplawski <jarkao2@gmail.com>
Cc: Patrick McHardy <kaber@trash.net>,
David Miller <davem@davemloft.net>,
Herbert Xu <herbert@gondor.apana.org.au>,
netdev@vger.kernel.org
Subject: Re: [PATCH 1/2] sch_netem: Remove classful functionality
Date: Fri, 31 Oct 2008 09:45:07 -0700 [thread overview]
Message-ID: <20081031094507.09536b08@extreme> (raw)
In-Reply-To: <20081031132010.GA18895@ff.dom.local>
On Fri, 31 Oct 2008 13:20:10 +0000
Jarek Poplawski <jarkao2@gmail.com> wrote:
> Patrick McHardy noticed that: "a lot of the functionality of netem
> requires the inner tfifo anyways and rate-limiting is usually done
> on top of netem. So I would suggest so either hard-wire the tfifo
> qdisc or at least make the assumption that inner qdiscs are
> work-conserving.", and later: "- a lot of other qdiscs still don't
> work as inner qdiscs of netem [...]".
>
> So, according to his suggestion, this patch removes classful options
> of netem. The main reason of this change is to remove ops->requeue()
> method, which is currently used only by netem.
>
> Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
>
Okay, only if you add the following functionality back:
* rate control, it doesn't have TBF, some other rate limiting
is fine.
* option for pure fifo or reordering based on jitter.
I have no problem with changing implementation as long as the same
feature set used by users remain.
next prev parent reply other threads:[~2008-10-31 16:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-31 13:20 [PATCH 1/2] sch_netem: Remove classful functionality Jarek Poplawski
2008-10-31 16:45 ` Stephen Hemminger [this message]
2008-11-02 7:37 ` David Miller
2008-11-03 8:29 ` Jarek Poplawski
2008-11-03 11:20 ` Patrick McHardy
2008-11-03 17:06 ` Stephen Hemminger
2008-11-04 9:56 ` Jarek Poplawski
2008-11-04 16:25 ` Stephen Hemminger
2008-11-04 21:42 ` Patrick McHardy
2008-11-04 11:04 ` Patrick McHardy
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=20081031094507.09536b08@extreme \
--to=shemminger@vyatta.com \
--cc=davem@davemloft.net \
--cc=herbert@gondor.apana.org.au \
--cc=jarkao2@gmail.com \
--cc=kaber@trash.net \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
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;
as well as URLs for NNTP newsgroup(s).