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

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Date:   Fri, 27 Apr 2018 12:10:14 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     f.fainelli@...il.com
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

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.