From: Jakub Kicinski <kuba@kernel.org>
To: Maxime Chevallier <maxime.chevallier@bootlin.com>
Cc: davem@davemloft.net, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, "Andrew Lunn" <andrew@lunn.ch>,
"Eric Dumazet" <edumazet@google.com>,
"Paolo Abeni" <pabeni@redhat.com>,
"Florian Fainelli" <f.fainelli@gmail.com>,
"Heiner Kallweit" <hkallweit1@gmail.com>,
"Russell King" <linux@armlinux.org.uk>,
"Vladimir Oltean" <vladimir.oltean@nxp.com>,
"Oleksij Rempel" <linux@rempel-privat.de>,
"Nicolò Veronese" <nicveronese@gmail.com>,
thomas.petazzoni@bootlin.com,
"Christophe Leroy" <christophe.leroy@csgroup.eu>
Subject: Re: [RFC PATCH net-next 0/7] net: phy: introduce phy numbering
Date: Fri, 8 Sep 2023 08:41:08 -0700 [thread overview]
Message-ID: <20230908084108.36d0e23c@kernel.org> (raw)
In-Reply-To: <20230907092407.647139-1-maxime.chevallier@bootlin.com>
On Thu, 7 Sep 2023 11:23:58 +0200 Maxime Chevallier wrote:
> - the netlink API would need polishing, I struggle a bit with finding
> the correct netlink design pattern to return variale-length list of u32.
Think of them as a list, not an array.
Dump them one by one, don't try to wrap them in any way:
https://docs.kernel.org/next/userspace-api/netlink/specs.html#multi-attr-arrays
People have tried other things in the past:
https://docs.kernel.org/next/userspace-api/netlink/genetlink-legacy.html#attribute-type-nests
but in the end they add constraints and pain for little benefit.
next prev parent reply other threads:[~2023-09-08 15:41 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-07 9:23 [RFC PATCH net-next 0/7] net: phy: introduce phy numbering Maxime Chevallier
2023-09-07 9:23 ` [RFC PATCH net-next 1/7] net: phy: introduce phy numbering and phy namespaces Maxime Chevallier
2023-09-07 9:32 ` Russell King (Oracle)
2023-09-07 10:14 ` Russell King (Oracle)
2023-09-07 12:19 ` Maxime Chevallier
2023-09-08 15:36 ` Jakub Kicinski
2023-09-11 13:05 ` Maxime Chevallier
2023-09-12 15:41 ` Andrew Lunn
2023-09-12 16:10 ` Maxime Chevallier
2023-09-12 17:08 ` Florian Fainelli
2023-09-12 16:15 ` Andrew Lunn
2023-09-12 17:01 ` Maxime Chevallier
2023-09-07 9:24 ` [RFC PATCH net-next 2/7] net: sfp: pass the phy_device when disconnecting an sfp module's PHY Maxime Chevallier
2023-09-07 9:24 ` [RFC PATCH net-next 3/7] net: phy: add helpers to handle sfp phy connect/disconnect Maxime Chevallier
2023-09-07 9:24 ` [RFC PATCH net-next 4/7] net: ethtool: add a netlink command to list PHYs Maxime Chevallier
2023-09-07 10:00 ` Russell King (Oracle)
2023-09-07 12:16 ` Maxime Chevallier
2023-09-12 16:01 ` Andrew Lunn
2023-09-12 16:29 ` Andrew Lunn
2023-09-07 9:24 ` [RFC PATCH net-next 5/7] netlink: specs: add phy_list command Maxime Chevallier
2023-09-07 9:24 ` [RFC PATCH net-next 6/7] net: ethtool: add a netlink command to get PHY information Maxime Chevallier
2023-09-07 10:04 ` Russell King (Oracle)
2023-09-07 12:20 ` Maxime Chevallier
2023-09-08 15:42 ` Jakub Kicinski
2023-09-08 15:46 ` Jakub Kicinski
2023-09-14 9:36 ` Maxime Chevallier
2023-10-03 13:55 ` Jakub Kicinski
2023-10-03 18:26 ` Andrew Lunn
2023-09-07 9:24 ` [RFC PATCH net-next 7/7] netlink: specs: add command to show individual phy information Maxime Chevallier
2023-09-08 15:41 ` Jakub Kicinski [this message]
2023-09-11 13:09 ` [RFC PATCH net-next 0/7] net: phy: introduce phy numbering Maxime Chevallier
2023-09-12 15:36 ` Andrew Lunn
2023-09-12 15:51 ` Maxime Chevallier
2023-09-14 10:06 ` Christophe Leroy
2023-09-14 12:47 ` Andrew Lunn
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