All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Lu, Wenzhuo" <wenzhuo.lu@intel.com>
To: "Richardson, Bruce" <bruce.richardson@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [PATCH v2] ixgbe: fix link down issue on x550em_x
Date: Thu, 25 Feb 2016 01:35:24 +0000	[thread overview]
Message-ID: <6A0DE07E22DDAD4C9103DF62FEBC09090343542B@shsmsx102.ccr.corp.intel.com> (raw)
In-Reply-To: <20160224142652.GD19616@bricha3-MOBL3>

Hi Bruce,

> -----Original Message-----
> From: Richardson, Bruce
> Sent: Wednesday, February 24, 2016 10:27 PM
> To: Lu, Wenzhuo
> Cc: dev@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v2] ixgbe: fix link down issue on x550em_x
> 
> On Mon, Feb 01, 2016 at 04:42:39PM +0800, Wenzhuo Lu wrote:
> > Normally the auto-negotiation is supported by FW. But on
> > X550EM_X_10G_T it's not supported by FW. As the port of X550EM_X_10G_T
> > is 10G. If we connect the port with a peer which is 1G. The link is
> > always down.
> > We have to supprted auto-neg by SW to avoid such link down issue.
> >
> > Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
> > ---
> >  doc/guides/rel_notes/release_2_3.rst |  6 ++++++
> >  drivers/net/ixgbe/ixgbe_ethdev.c     | 38
> ++++++++++++++++++++++++++++++++++++
> >  drivers/net/ixgbe/ixgbe_ethdev.h     |  1 +
> >  3 files changed, 45 insertions(+)
> >
> > diff --git a/doc/guides/rel_notes/release_2_3.rst
> > b/doc/guides/rel_notes/release_2_3.rst
> > index 99de186..a8d34d1 100644
> > --- a/doc/guides/rel_notes/release_2_3.rst
> > +++ b/doc/guides/rel_notes/release_2_3.rst
> > @@ -15,6 +15,12 @@ EAL
> >  Drivers
> >  ~~~~~~~
> >
> > +* **ixgbe: fix link down issue on X550EM_X.**
> > +  Normally the auto-negotiation is supported by FW. SW need not care
> > +about
> > +  that. But on x550em_x, FW doesn't support auto-neg. As the ports of
> > +x550em_x
> > +  are 10G, if we connect the port will a peer which is 1G, the link
> > +will always
> > +  be donw on x550em_x.
> > +  We will support auto-neg by SW to avoid this link down issue.
> >
> 
> Couple of typos present in the text above.
Sorry for that. I'll correct them. Thanks.

> 
> /Bruce

  reply	other threads:[~2016-02-25  1:35 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-21  7:56 [PATCH] ixgbe: fix link down issue on x550em_x Wenzhuo Lu
2016-02-01  8:22 ` He, Shaopeng
2016-02-01  8:26   ` Lu, Wenzhuo
2016-02-01  8:42 ` [PATCH v2] " Wenzhuo Lu
2016-02-04  6:21   ` He, Shaopeng
2016-02-24 14:26     ` Bruce Richardson
2016-02-25  1:32       ` Lu, Wenzhuo
2016-02-25 13:29         ` Bruce Richardson
2016-02-26  0:46           ` Lu, Wenzhuo
2016-02-24 14:26   ` Bruce Richardson
2016-02-25  1:35     ` Lu, Wenzhuo [this message]
2016-02-26  3:05 ` [PATCH v3] ixgbe: support link speed auto-neg " Wenzhuo Lu
2016-03-08 17:34   ` Bruce Richardson

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=6A0DE07E22DDAD4C9103DF62FEBC09090343542B@shsmsx102.ccr.corp.intel.com \
    --to=wenzhuo.lu@intel.com \
    --cc=bruce.richardson@intel.com \
    --cc=dev@dpdk.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.