netdev - Re: [PATCH net-next 0/8] net: Extend availability of PHY statistics

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Date:   Fri, 27 Apr 2018 10:15:01 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     David Miller <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com, cphealy@...il.com,
        nikita.yoush@...entembedded.com
Subject: Re: [PATCH net-next 0/8] net: Extend availability of PHY statistics



On 04/27/2018 09:10 AM, David Miller wrote:
> From: David Miller <davem@...emloft.net>
> Date: Fri, 27 Apr 2018 12:00:02 -0400 (EDT)
> 
>> From: Florian Fainelli <f.fainelli@...il.com>
>> Date: Wed, 25 Apr 2018 12:12:46 -0700
>>
>>> This patch series adds support for retrieving PHY statistics with DSA switches
>>> when the CPU port uses a PHY to PHY connection (as opposed to MAC to MAC).
>>> To get there a number of things are done:
>>>
>>> - first we move the code dealing with PHY statistics outside of net/core/ethtool.c
>>>   and create helper functions since the same code will be reused
>>> - then we allow network device drivers to provide an ethtool_get_phy_stats callback
>>>   when the standard PHY library helpers are not suitable
>>> - we update the DSA functions dealing with ethtool operations to get passed a
>>>   stringset instead of assuming ETH_SS_STATS like they currently do
>>> - then we provide a set of standard helpers within DSA as a framework and add
>>>   the plumbing to allow retrieving the PHY statistics of the CPU port(s)
>>> - finally plug support for retrieving such PHY statistics with the b53 driver
>>  ...
>>
>> Series applied, thanks Florian.
> 
> Ugh, this breaks the allmodconfig build.
> 
> You can't move interfaces to drivers/net/phy/phy.c which are
> referenced in core networking like net/core/ethtool.c unless you make
> PHYLIB 'bool' only.
> 
> net/core/ethtool.o: In function `__ethtool_get_sset_count':
> ethtool.c:(.text+0x1cd8): undefined reference to `phy_ethtool_get_sset_count'
> net/core/ethtool.o: In function `dev_ethtool':
> (.text+0x5407): undefined reference to `phy_ethtool_get_strings'
> (.text+0x6869): undefined reference to `phy_ethtool_get_sset_count'
> (.text+0x69b3): undefined reference to `phy_ethtool_get_stats'
> 
> Please fix this somehow, thanks Florian.

Just seeing this now (this gmail rate limiting again), humm, I can't
think of a better way to fix this for now so let's go with your
temporary fix. Sorry about that, will come up with a hopefully better
alternative that keeps PHY library being fully modular.
-- 
Florian