[PATCH] net/ixgbe: Limit SDP3 check of TX_DISABLE to appropriate devices

[Zhang, Qi Z]

> -----Original Message-----
> From: Jeff Daly <jeffd at silicom-usa.com>
> Sent: Wednesday, May 11, 2022 2:57 AM
> To: Yang, Qiming <qiming.yang at intel.com>; Wu, Wenjun1
> <wenjun1.wu at intel.com>; Zhao1, Wei <wei.zhao1 at intel.com>; Xiao Zhang
> <xiao.zhang at intel.com>; Xiaolong Ye <xiaolong.ye at intel.com>; Lunyuan Cui
> <lunyuanx.cui at intel.com>
> Cc: dev at dpdk.org; stable at dpdk.org
> Subject: [PATCH] net/ixgbe: Limit SDP3 check of TX_DISABLE to appropriate
> devices
> 
> 1ca05831b9b added a check that SDP3 (used as a TX_DISABLE output to the SFP
> cage on these cards) is not asserted to avoid incorrectly reporting link up when
> the SFP's laser is turned off.
> 
> ff8162cb957 limited this workaround to fiber ports
> 
> This patch:
> * Adds devarg 'fiber_sdp3_no_tx_disable' not all fiber ixgbe devs use
>   SDP3 as TX_DISABLE
> 
> Fixes: 1ca05831b9b ("net/ixgbe: fix link status")
> Fixes: ff8162cb957 ("net/ixgbe: fix link status")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Jeff Daly <jeffd at silicom-usa.com>

Acked-by: Qi Zhang <qi.z.zhang at intel.com>

Applied to dpdk-next-net-intel.

Thanks
Qi