From: Jarek Poplawski <jarkao2@gmail.com>
To: "Waskiewicz Jr, Peter P" <peter.p.waskiewicz.jr@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>,
Patrick McHardy <kaber@trash.net>,
Stephen Hemminger <shemminger@linux-foundation.org>,
netdev@vger.kernel.org
Subject: Re: [PATCH] Disable TSO for non standard qdiscs
Date: Fri, 1 Feb 2008 22:47:39 +0100 [thread overview]
Message-ID: <20080201214738.GA3071@ami.dom.local> (raw)
In-Reply-To: <D5C1322C3E673F459512FB59E0DDC32904737A40@orsmsx414.amr.corp.intel.com>
On Fri, Feb 01, 2008 at 01:28:15AM -0800, Waskiewicz Jr, Peter P wrote:
...
> The TCP layer will generate TSO packets based on the kernel socket
> features associated with the flow. So if you have two devices, one
> supporting TSO, the other not, then the flows associated with the
> non-TSO device will not have their packets built for TSO. This has no
> bearing on the device supporting TSO, which its feature flags will
> propogate into the kernel socket for that flow, and cause any TCP flows
> to that device to be TSO packets. So in a nutshell, disabling TSO is on
> a per-device level, not a global switch.
Fine, but I was rather wondering if there could be something more in
the idea of this patch that can't be done with ethtool. And I don't
think qdisc code currently treats or should treat TCP special.
Jarek P.
next prev parent reply other threads:[~2008-02-01 21:44 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-31 12:46 [PATCH] Disable TSO for non standard qdiscs Andi Kleen
2008-01-31 17:23 ` Stephen Hemminger
2008-01-31 18:33 ` Andi Kleen
2008-01-31 18:01 ` Patrick McHardy
2008-01-31 18:37 ` Andi Kleen
2008-01-31 18:08 ` Stephen Hemminger
2008-01-31 18:11 ` Patrick McHardy
2008-01-31 18:53 ` Andi Kleen
2008-01-31 18:21 ` Patrick McHardy
2008-01-31 19:01 ` Andi Kleen
2008-01-31 18:47 ` Waskiewicz Jr, Peter P
2008-01-31 19:34 ` Andi Kleen
2008-01-31 19:39 ` Waskiewicz Jr, Peter P
2008-01-31 23:10 ` Arnaldo Carvalho de Melo
2008-01-31 23:42 ` Waskiewicz Jr, Peter P
2008-02-01 4:26 ` Patrick McHardy
2008-02-01 4:35 ` Andi Kleen
2008-02-01 4:36 ` Andi Kleen
2008-01-31 20:33 ` Jarek Poplawski
2008-01-31 23:04 ` Jarek Poplawski
2008-02-01 7:42 ` Jarek Poplawski
2008-02-01 9:28 ` Waskiewicz Jr, Peter P
2008-02-01 21:47 ` Jarek Poplawski [this message]
2008-02-01 5:01 ` Andi Kleen
2008-02-01 6:35 ` Glen Turner
2008-02-01 6:46 ` Patrick McHardy
2008-02-01 7:46 ` Andi Kleen
2008-02-01 7:25 ` Patrick McHardy
2008-02-01 9:37 ` Waskiewicz Jr, Peter P
2008-02-01 9:56 ` Patrick McHardy
2008-02-01 12:06 ` jamal
2008-02-01 19:02 ` Waskiewicz Jr, Peter P
2008-02-01 22:56 ` Jarek Poplawski
2008-02-02 1:51 ` Waskiewicz Jr, Peter P
2008-02-02 5:20 ` Andi Kleen
2008-02-01 14:34 ` Andi Kleen
2008-02-01 17:24 ` Stephen Hemminger
2008-01-31 18:48 ` Patrick McHardy
2008-02-02 22:57 ` Herbert Xu
2008-02-03 9:35 ` Andi Kleen
2008-01-31 18:26 ` Rick Jones
2008-01-31 19:03 ` Andi Kleen
2008-01-31 18:35 ` Rick Jones
2008-01-31 19:25 ` Andi Kleen
2008-01-31 19:14 ` Rick Jones
2008-02-01 1:04 ` Andy Furniss
2008-02-01 4:31 ` Andi Kleen
2008-02-02 22:59 ` Herbert Xu
2008-02-01 21:58 ` Rick Jones
2008-02-02 4:10 ` Andi Kleen
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=20080201214738.GA3071@ami.dom.local \
--to=jarkao2@gmail.com \
--cc=andi@firstfloor.org \
--cc=kaber@trash.net \
--cc=netdev@vger.kernel.org \
--cc=peter.p.waskiewicz.jr@intel.com \
--cc=shemminger@linux-foundation.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.