linux-kernel - [PATCH net-next v3 0/2] provide KAPI for SQI

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Date:   Wed, 20 May 2020 08:29:13 +0200
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     Andrew Lunn <andrew@...n.ch>,
        "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        Michal Kubecek <mkubecek@...e.cz>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>,
        David Jander <david@...tonic.nl>, kernel@...gutronix.de,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        Russell King <linux@...linux.org.uk>, mkl@...gutronix.de,
        Marek Vasut <marex@...x.de>,
        Christian Herber <christian.herber@....com>
Subject: [PATCH net-next v3 0/2] provide KAPI for SQI 

This patches are extending ethtool netlink interface to export Signal
Quality Index (SQI). SQI provided by 100Base-T1 PHYs and can be used for
cable diagnostic. Compared to a typical cable tests, this value can be
only used after link is established.

changes v3:
- rename __ethtool_get_sqi* to linkstate_get_sqi*. And move this
  functions to the net/ethtool/linkstate.c
- protect linkstate_get_sqi* with locking

changes v2:
- use u32 instead of u8 for SQI
- add SQI_MAX field and callbacks
- some style fixes in the rst.
- do not convert index to shifted index.

Oleksij Rempel (2):
  ethtool: provide UAPI for PHY Signal Quality Index (SQI)
  net: phy: tja11xx: add SQI support

 Documentation/networking/ethtool-netlink.rst |  6 +-
 drivers/net/phy/nxp-tja11xx.c                | 26 +++++++
 include/linux/phy.h                          |  2 +
 include/uapi/linux/ethtool_netlink.h         |  2 +
 net/ethtool/linkstate.c                      | 75 +++++++++++++++++++-
 5 files changed, 108 insertions(+), 3 deletions(-)

-- 
2.26.2