linux-kernel - Re: [PATCH net-next 0/4] net: dsa: move master ethtool code

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Date:   Tue, 19 Sep 2017 13:04:56 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        netdev@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel@...oirfairelinux.com,
        "David S. Miller" <davem@...emloft.net>,
        Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH net-next 0/4] net: dsa: move master ethtool code

On 09/19/2017 08:56 AM, Vivien Didelot wrote:
> The DSA core overrides the master device's ethtool_ops structure so that
> it can inject statistics and such of its dedicated switch CPU port.
> 
> This ethtool code is currently called on unnecessary conditions or
> before the master interface and its switch CPU port get wired up.
> This patchset fixes this.
> 
> Similarly to slave.c where the DSA slave net_device is the entry point
> of the dsa_slave_* functions, this patchset also isolates the master's
> ethtool code in a new master.c file, where the DSA master net_device is
> the entry point of the dsa_master_* functions.
> 
> This is a first step towards better control of the master device and
> support for multiple CPU ports.

Tested-by: Florian Fainelli <f.fainelli@...il.com>

* ethtool -S eth0 -> switch port CPU stats are still correctly overlayed
* ethtool -s gphy wol g -> both switch port and CPU port correctly
enable WoL
* ethtool -i eth0 -> driver still reports correct information

Thanks!

> 
> Vivien Didelot (4):
>   net: dsa: remove copy of master ethtool_ops
>   net: dsa: setup master ethtool unconditionally
>   net: dsa: setup master ethtool after dsa_ptr
>   net: dsa: move master ethtool code
> 
>  include/net/dsa.h  |   1 -
>  net/dsa/Makefile   |   2 +-
>  net/dsa/dsa.c      |  28 -------------
>  net/dsa/dsa2.c     |  18 ++++----
>  net/dsa/dsa_priv.h |   7 ++--
>  net/dsa/legacy.c   |  10 ++---
>  net/dsa/master.c   | 120 +++++++++++++++++++++++++++++++++++++++++++++++++++++
>  net/dsa/slave.c    |  80 -----------------------------------
>  8 files changed, 136 insertions(+), 130 deletions(-)
>  create mode 100644 net/dsa/master.c
> 


-- 
Florian