Re: [PATCH net-next v5 2/8] net: ethtool: plumb PHY stats to PHY drivers

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Hi Andrew, Oleksij,

On Wed, 8 Jan 2025 17:03:25 +0100
Andrew Lunn <andrew@xxxxxxx> wrote:

> > On one side I need to address the request to handle phydev specific
> > thing withing the PHYlib framework. On other side, I can't do it without
> > openen a pandora box of build dependencies. It will be a new main-side-quest
> > to resolve build dependency of net/ethtool/ and PHYlib. The workaround is to
> > put this functions to the header.  
> 
> Yes, the code is like this because phylib can be a module, and when it
> is, you would end up with unresolved symbols if ethtool code is built
> in. There are circular dependence as well, if both ethtool and phylib
> are module. The inlines help solve this.
> 
> However, the number of these inline functions keeps growing. At some
> point, we might want a different solution. Maybe phylib needs to
> register a structure of ops with ethtool when it loads?

Isn't it already the case with the ethtool_phy_ops singleton ? Maybe we
can add wrap the get_phy_stats / get_link_ext_stats ops to the
ethtool_phy_ops ? My understanding was that this singleton served this
purpose.

Thanks,

Maxime





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