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Message-ID: <20250502085242.248645-1-maxime.chevallier@bootlin.com>
Date: Fri, 2 May 2025 10:52:38 +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 v8 0/3] net: ethtool: Introduce ethnl dump helpers
Hi everyone,
This is V8 for per-phy DUMP helpers, improving support for ->dumpit()
operations for PHY targetting commands.
This V8 fixes some issues spotted by Jakub (thanks !) on the multi-part
DUMP sequence. The netdev reftracking was reworked to make sure that
during a filtered DUMP, we only keep a ref on the netdev during
individual .dumpit() calls.
Thanks,
Maxime
Changes in V8:
- Fixed the dump process WRT refcounting
- Reset the pos_phyindex for non-filtered DUMP
- Reworked kdoc and comments
Changes in V7:
- Move from dev_hold to netdev_hold()
- Add an extra patch fr dev_hold() conversion.
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/
V6: https://lore.kernel.org/netdev/20250415085155.132963-1-maxime.chevallier@bootlin.com/
V7: https://lore.kernel.org/netdev/20250422161717.164440-1-maxime.chevallier@bootlin.com/
Maxime Chevallier (3):
net: ethtool: Introduce per-PHY DUMP operations
net: ethtool: phy: Convert the PHY_GET command to generic phy dump
net: ethtool: netlink: Use netdev_hold for dumpit() operations
net/ethtool/netlink.c | 217 +++++++++++++++++++++++++--
net/ethtool/netlink.h | 4 -
net/ethtool/phy.c | 342 ++++++++++++------------------------------
3 files changed, 298 insertions(+), 265 deletions(-)
--
2.49.0
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