Re: [PATCH net-next 3/3] net: hns3: add support for link diagnosis info in debugfs

[huangguangbin (A)]

On 2021/6/25 3:25, Jakub Kicinski wrote:
> On Thu, 24 Jun 2021 22:36:45 +0800 Guangbin Huang wrote:
> > In order to know reason why link down, add a debugfs file
> > "link_diagnosis_info" to get link faults from firmware, and each bit
> > represents one kind of fault.
> >
> > usage example:
> > $ cat link_diagnosis_info
> > Reference clock lost
>
> Please use ethtool->get_link_ext_state instead.
> .
Ok, thanks.