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 at 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. /Bruce
