From: Stephen Hemminger <shemminger@vyatta.com>
To: Ben Greear <greearb@candelatech.com>
Cc: NetDev <netdev@vger.kernel.org>
Subject: Re: Why is LRO off by default on ixgbe?
Date: Wed, 23 Sep 2009 09:53:56 -0700 [thread overview]
Message-ID: <20090923095356.7f9aef37@s6510> (raw)
In-Reply-To: <4ABA4D07.50107@candelatech.com>
On Wed, 23 Sep 2009 09:29:59 -0700
Ben Greear <greearb@candelatech.com> wrote:
> I just noticed that enabling LRO on ixgbe lets me reach about 9Gbps receive on two
> NICs concurrently in an NFS test, where I was only getting about 6Gbps w/out it (1500 MTU).
>
> Why is LRO disabled by default?
>
> Thanks,
> Ben
LRO is turned off if bridging or routing because of End to End requirements.
next prev parent reply other threads:[~2009-09-23 16:54 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-23 16:29 Why is LRO off by default on ixgbe? Ben Greear
2009-09-23 16:53 ` Stephen Hemminger [this message]
2009-09-23 16:57 ` Ben Greear
2009-09-23 17:07 ` Stephen Hemminger
2009-09-23 17:16 ` Ben Greear
2009-09-25 21:37 ` Herbert Xu
2009-09-25 21:43 ` Herbert Xu
2009-09-25 21:53 ` Ben Greear
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=20090923095356.7f9aef37@s6510 \
--to=shemminger@vyatta.com \
--cc=greearb@candelatech.com \
--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).