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 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.