Messages in this thread | | | From | "Switzer, David" <> | Subject | RE: [PATCH v3] ixgbe: Manual AN-37 for troublesome link partners for X550 SFI | Date | Thu, 18 Aug 2022 21:49:23 +0000 |
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>-----Original Message----- >From: Daly, Jeff <jeffd@silicom-usa.com> >Sent: Thursday, July 21, 2022 7:11 AM >To: intel-wired-lan@osuosl.org >Cc: Brandeburg, Jesse <jesse.brandeburg@intel.com>; Nguyen, Anthony L ><anthony.l.nguyen@intel.com>; David S. Miller <davem@davemloft.net>; >Jakub Kicinski <kuba@kernel.org>; intel-wired-lan@lists.osuosl.org; >netdev@vger.kernel.org; linux-kernel@vger.kernel.org >Subject: [PATCH v3] ixgbe: Manual AN-37 for troublesome link partners for >X550 SFI > >Some (Juniper MX5) SFP link partners exhibit a disinclination to autonegotiate >with X550 configured in SFI mode. This patch enables a manual AN-37 restart >to work around the problem. > >Signed-off-by: Jeff Daly <jeffd@silicom-usa.com> >--- > drivers/net/ethernet/intel/ixgbe/ixgbe_type.h | 3 + >drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 56 ++++++++++++++++++- > 2 files changed, 56 insertions(+), 3 deletions(-)
We don't have the specific link partner that this patch fixes, but we have verified that AN wasn't hindered or broken with the link partners that we have.
Tested-by: Dave Switzer <david.switzer@intel.com>
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