From: Jamie Gloudon <jamie.gloudon@gmail.com>
To: Rick Jones <rick.jones2@hp.com>
Cc: Vijay Subramanian <subramanian.vijay@gmail.com>, netdev@vger.kernel.org
Subject: Re: BUG: TCPDUMP invalid cksum persists after disabling TCP cksum offload
Date: Tue, 18 Sep 2012 18:20:40 -0400 [thread overview]
Message-ID: <20120918222040.GA19201@darkstar> (raw)
In-Reply-To: <5058ED9E.1000902@hp.com>
Rick is correct. Disabling TX CKO also disable TSO. You can see that in
my ethtool output.
On Tue, Sep 18, 2012 at 02:54:38PM -0700, Rick Jones wrote:
> On 09/18/2012 02:46 PM, Vijay Subramanian wrote:
> >>The results after disabling tcp cksum offload feature:
> >># ethtool -K eth1 tx off
> >
> >Instead of this, can you try
> ># ethtool -K eth1 tso off
>
> Doesn't TSO depend on TX CKO being enabled? That is, if TX CKO were
> disabled, shouldn't TSO have been implicitly disabled at the same time?
>
> rick jones
next prev parent reply other threads:[~2012-09-18 22:20 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20120918193208.GA19030@darkstar>
[not found] ` <1347998905.2685.29.camel@bwh-desktop.uk.solarflarecom.com>
2012-09-18 21:14 ` BUG: TCPDUMP invalid cksum persists after disabling TCP cksum offload Jamie Gloudon
2012-09-18 21:46 ` Vijay Subramanian
2012-09-18 21:54 ` Rick Jones
2012-09-18 22:20 ` Jamie Gloudon [this message]
2012-09-19 5:54 ` Eric Dumazet
2012-09-19 6:44 ` [PATCH net-next] net: more accurate network taps in transmit path Eric Dumazet
2012-09-19 15:58 ` Jamie Gloudon
2012-09-19 18:16 ` David Miller
2012-09-19 18:21 ` Eric Dumazet
2012-09-19 19:33 ` David Miller
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=20120918222040.GA19201@darkstar \
--to=jamie.gloudon@gmail.com \
--cc=netdev@vger.kernel.org \
--cc=rick.jones2@hp.com \
--cc=subramanian.vijay@gmail.com \
/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).