From: "Lu, Wenzhuo" <wenzhuo.lu@intel.com>
To: "Richardson, Bruce" <bruce.richardson@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [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
next prev parent 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 [dpdk-dev] [PATCH] " Wenzhuo Lu
2016-02-01 8:22 ` He, Shaopeng
2016-02-01 8:26 ` Lu, Wenzhuo
2016-02-01 8:42 ` [dpdk-dev] [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 ` [dpdk-dev] [PATCH v3] ixgbe: support link speed auto-neg " Wenzhuo Lu
2016-03-08 17:34 ` Bruce Richardson
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