netdev - [PATCH net-next v5 0/8] Introduce unified and structured PHY

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Message-Id: <20250106083301.1039850-1-o.rempel@pengutronix.de>
Date: Mon,  6 Jan 2025 09:32:53 +0100
From: Oleksij Rempel <o.rempel@...gutronix.de>
To: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Jonathan Corbet <corbet@....net>
Cc: Oleksij Rempel <o.rempel@...gutronix.de>,
	kernel@...gutronix.de,
	linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org,
	Simon Horman <horms@...nel.org>,
	Russell King <linux@...linux.org.uk>,
	Maxime Chevallier <maxime.chevallier@...tlin.com>,
	linux-doc@...r.kernel.org
Subject: [PATCH net-next v5 0/8] Introduce unified and structured PHY

This patch set introduces a unified and well-structured interface for
reporting PHY statistics. Instead of relying on arbitrary strings in PHY
drivers, this interface provides a consistent and structured way to
expose PHY statistics to userspace via ethtool.

The initial groundwork for this effort was laid by Jakub Kicinski, who
contributed patches to plumb PHY statistics to drivers and added support
for structured statistics in ethtool. Building on Jakub's work, I tested
the implementation with several PHYs, addressed a few issues, and added
support for statistics in two specific PHY drivers.

Most of changes are tracked in separate patches.

changes v5:
- rebase and test against latest net-next

Jakub Kicinski (2):
  net: ethtool: plumb PHY stats to PHY drivers
  net: ethtool: add support for structured PHY statistics

Oleksij Rempel (6):
  ethtool: linkstate: migrate linkstate functions to support multi-PHY
    setups
  Documentation: networking: update PHY error counter diagnostics in
    twisted pair guide
  net: phy: introduce optional polling interface for PHY statistics
  ethtool: add helper to prevent invalid statistics exposure to
    userspace
  net: phy: dp83td510: add statistics support
  net: phy: dp83tg720: add statistics support

 .../twisted_pair_layer1_diagnostics.rst       |  39 +++--
 Documentation/networking/ethtool-netlink.rst  |   1 +
 drivers/net/phy/dp83td510.c                   | 112 ++++++++++++
 drivers/net/phy/dp83tg720.c                   | 161 ++++++++++++++++++
 drivers/net/phy/phy.c                         |  20 +++
 include/linux/ethtool.h                       |  39 +++++
 include/linux/phy.h                           |  97 +++++++++++
 include/uapi/linux/ethtool.h                  |   2 +
 include/uapi/linux/ethtool_netlink.h          |  14 ++
 net/ethtool/linkstate.c                       |  25 ++-
 net/ethtool/netlink.h                         |   1 +
 net/ethtool/stats.c                           |  54 ++++++
 net/ethtool/strset.c                          |   5 +
 13 files changed, 550 insertions(+), 20 deletions(-)

--
2.39.5