linux-kernel - [PATCH net-next v6 0/2] net: ethtool: Introduce ethnl dump helpers

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Message-ID: <20250415085155.132963-1-maxime.chevallier@bootlin.com>
Date: Tue, 15 Apr 2025 10:51:52 +0200
From: Maxime Chevallier <maxime.chevallier@...tlin.com>
To: davem@...emloft.net,
	Andrew Lunn <andrew@...n.ch>,
	Jakub Kicinski <kuba@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>,
	Paolo Abeni <pabeni@...hat.com>,
	Heiner Kallweit <hkallweit1@...il.com>
Cc: Maxime Chevallier <maxime.chevallier@...tlin.com>,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	thomas.petazzoni@...tlin.com,
	linux-arm-kernel@...ts.infradead.org,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	Herve Codina <herve.codina@...tlin.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	Russell King <linux@...linux.org.uk>,
	Vladimir Oltean <vladimir.oltean@....com>,
	Köry Maincent <kory.maincent@...tlin.com>,
	Oleksij Rempel <o.rempel@...gutronix.de>,
	Simon Horman <horms@...nel.org>,
	Romain Gantois <romain.gantois@...tlin.com>,
	Piergiorgio Beruto <piergiorgio.beruto@...il.com>
Subject: [PATCH net-next v6 0/2] net: ethtool: Introduce ethnl dump helpers

Hi everyone,

This is V6 for per-phy DUMP helpers, that includes even more
simplification, as this now boils down to 2 patches :
 - The first one introduce per-phy ->start(), ->dumpit() and ->done()
   helpers and uses them for plca and pse-pd
 - The second patch converts the net/ethtool/phy.c code, to avoid
   open-coding the DUMP operation.

Thanks,

Maxime

Changes in V6:
 - Squash pse and plca patches into the first one, to avoid unused
   functions (Jakub)

Changes in V5:
 - Move to a less generic approach, focusing only on the PHY case.

Changes in V4:
 - Don't grab rcu_read_lock when we already have a refcounter netdev on
   the filtered dump path (Paolo)
 - Move the dump_all stuff in a dedicated helper (Paolo)
 - Added patch 1 to set the dev in ctx->req_info

Changes in V3:
 - Fixed some typos and xmas tree issues
 - Added a missing check for EOPNOTSUPP in patch 1
 - Added missing kdoc
 - Added missing comments in phy_reply_size

Changes in V2:
 - Rebased on the netdev_lock work by Stanislav and the fixes from Eric
 - Fixed a bissectability issue
 - Fixed kdoc for the new ethnl ops and fields

V1: https://lore.kernel.org/netdev/20250305141938.319282-1-maxime.chevallier@bootlin.com/
V2: https://lore.kernel.org/netdev/20250308155440.267782-1-maxime.chevallier@bootlin.com/
V3: https://lore.kernel.org/netdev/20250313182647.250007-1-maxime.chevallier@bootlin.com/
V4: https://lore.kernel.org/netdev/20250324104012.367366-1-maxime.chevallier@bootlin.com/
V5: https://lore.kernel.org/netdev/20250410123350.174105-1-maxime.chevallier@bootlin.com/

Maxime Chevallier (2):
  net: ethtool: Introduce per-PHY DUMP operations
  net: ethtool: phy: Convert the PHY_GET command to generic phy dump

 net/ethtool/netlink.c | 189 +++++++++++++++++++++--
 net/ethtool/netlink.h |   4 -
 net/ethtool/phy.c     | 342 ++++++++++++------------------------------
 3 files changed, 272 insertions(+), 263 deletions(-)

-- 
2.49.0