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:

quoted

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 <redacted>
---
 doc/guides/rel_notes/release_2_3.rst |  6 ++++++
 drivers/net/ixgbe/ixgbe_ethdev.c     | 38

++++++++++++++++++++++++++++++++++++

quoted

 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