[dpdk-stable] [dpdk-dev] [PATCH v4] net/ixgbe: fix link status

[Ye Xiaolong]

On 11/26, Lu, Wenzhuo wrote:
>Hi,
>
>
>> -----Original Message-----
>> From: Cui, LunyuanX
>> Sent: Monday, November 18, 2019 11:38 PM
>> To: dev at dpdk.org
>> Cc: Lu, Wenzhuo <wenzhuo.lu at intel.com>; Cui, LunyuanX
>> <lunyuanx.cui at intel.com>; stable at dpdk.org
>> Subject: [PATCH v4] net/ixgbe: fix link status
>> 
>> The link status for 82599eb got from link status register was not correct.
>> Check the enable/disable flag of tx laser, set the link status down if tx laser
>> disabled. Then, we can get correct status.
>> But after port reset, tx laser register will be reset enable.
>> Link status will always be up. So set tx laser disable when port resets.
>> 
>> When hw->mac.autotry_restart is true, whether tx laser is disable or enable,
>> it will be set enable in ixgbe_flap_tx_laser_multispeed_fiber().
>> hw->mac.autotry_restart can be set true in both port init and port start.
>> Because we don't need this treatment before port starts, set
>> hw->mac.autotry_restart false when port init.
>> 
>> Fixes: 0408f47ba4d6 ("net/ixgbe: fix busy polling while fiber link update")
>> Cc: stable at dpdk.org
>> 
>> Signed-off-by: Lunyuan Cui <lunyuanx.cui at intel.com>
>Acked-by: Wenzhuo Lu <wenzhuo.lu at intel.com>

Applied to dpdk-next-net-intel, Thanks.