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From: Michael Walle <michael@walle.cc>
To: andrew@lunn.ch
Cc: anthony.l.nguyen@intel.com, bigeasy@linutronix.de,
	davem@davemloft.net, dvorax.fuxbrumer@linux.intel.com,
	f.fainelli@gmail.com, hkallweit1@gmail.com,
	jacek.anaszewski@gmail.com, kabel@kernel.org, kuba@kernel.org,
	kurt@linutronix.de, linux-leds@vger.kernel.org,
	netdev@vger.kernel.org, pavel@ucw.cz, sasha.neftin@intel.com,
	vinicius.gomes@intel.com, vitaly.lifshits@intel.com,
	Michael Walle <michael@walle.cc>
Subject: Re: [PATCH net-next 5/5] igc: Export LEDs
Date: Tue, 27 Jul 2021 10:15:28 +0200	[thread overview]
Message-ID: <20210727081528.9816-1-michael@walle.cc> (raw)
In-Reply-To: <YP9n+VKcRDIvypes@lunn.ch>

>> The last time we discussed this (Andrew, Pavel and I), we've decided
>> that for ethernet PHY controlled LEDs we want the devicename part
>> should be something like
>>    phyN  or  ethphyN  or  ethernet-phyN
>> with N a number unique for every PHY (a simple atomically increased
>> integer for every ethernet PHY).
>
> We might want to rethink this. PHYs typically have 2 or 3 LEDs. So we
> want a way to indicate which LED of a PHY it is. So i suspect we will
> want something like
>
> ethphyN-led0, ethphyN-led1, ethphyN-led2.
>
> I would also suggest N starts at 42, in order to make it clear it is a
> made up arbitrary number, it has no meaning other than it is
> unique. What we don't want is people thinking ethphy0-led0 has
> anything to do with eth0.

Why do we have to distiguish between LEDs connected to the PHY and LEDs
connected to the MAC at all? Why not just name it ethN either if its behind
the PHY or the MAC? Does it really matter from the users POV?

>> I confess that I am growing a little frustrated here, because there
>> seems to be no optimal solution with given constraints and no official
>> consensus for a suboptimal yet acceptable solution.
>
> I do think it is clear that the base name is mostly irrelevant and not
> going to be used in any meaningful way. You are unlikely to access
> these LEDs via /sys/class/leds. You are going to go into
> /sys/class/net/<ifname> and then either follow the device symlink, or
> the phydev symlink and look for LEDs there. And then only the -ledM
> part of the name might be useful. Since the name is mostly
> meaningless, we should just decide and move on.

Even more if it is not relevant ;)

-michael

  reply	other threads:[~2021-07-27  8:15 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-16 21:24 [PATCH net-next 0/5][pull request] 1GbE Intel Wired LAN Driver Updates 2021-07-16 Tony Nguyen
2021-07-16 21:24 ` [PATCH net-next 1/5] igc: Add possibility to add flex filter Tony Nguyen
2021-07-16 21:24 ` [PATCH net-next 2/5] igc: Integrate flex filter into ethtool ops Tony Nguyen
2021-07-16 21:24 ` [PATCH net-next 3/5] igc: Allow for Flex Filters to be installed Tony Nguyen
2021-07-16 21:24 ` [PATCH net-next 4/5] igc: Make flex filter more flexible Tony Nguyen
2021-07-16 21:24 ` [PATCH net-next 5/5] igc: Export LEDs Tony Nguyen
2021-07-16 21:56   ` Andrew Lunn
2021-07-18 22:10     ` Heiner Kallweit
2021-07-18 22:33       ` Andrew Lunn
2021-07-19  6:17         ` Kurt Kanzenbach
2021-07-19  9:46           ` Jakub Kicinski
2021-07-19  6:06     ` Kurt Kanzenbach
2021-07-19 13:15       ` Andrew Lunn
2021-07-20  8:54         ` Kurt Kanzenbach
2021-07-21 19:18         ` Marek Behún
2021-07-18 22:19   ` Heiner Kallweit
2021-07-19  0:40     ` Andrew Lunn
2021-07-20 15:00       ` Heiner Kallweit
2021-07-20 15:42         ` Andrew Lunn
2021-07-20 20:29           ` Heiner Kallweit
2021-07-21 14:35             ` Andrew Lunn
2021-07-21 16:02               ` Heiner Kallweit
2021-07-21 18:23               ` Pavel Machek
2021-07-21 18:25                 ` Pavel Machek
2021-07-21 18:45             ` Marek Behún
2021-07-21 19:50               ` Andrew Lunn
2021-07-21 20:07                 ` Marek Behún
2021-07-21 20:54                   ` Andrew Lunn
2021-07-21 21:31                     ` Marek Behún
2021-07-21 22:45                     ` Pavel Machek
2021-07-22  1:45                       ` Andrew Lunn
2021-07-22  2:19                         ` Marek Behún
2021-07-21 22:34                   ` Pavel Machek
2021-07-22  3:52                   ` Florian Fainelli
2021-07-26 17:42                   ` Jacek Anaszewski
2021-07-26 18:44                     ` Marek Behún
2021-07-26 20:59                     ` Heiner Kallweit
2021-07-27  0:06                       ` Marek Behún
2021-07-27  1:57                         ` Andrew Lunn
2021-07-27  8:15                           ` Michael Walle [this message]
2021-07-27 14:56                             ` Marek Behún
2021-07-27 15:03                               ` Michael Walle
2021-07-27 15:24                                 ` Andrew Lunn
2021-07-27 15:28                                 ` Marek Behún
2021-07-27 15:53                                   ` Michael Walle
2021-07-27 16:23                                     ` Andrew Lunn
2021-07-27 16:32                                     ` Marek Behún
2021-07-27 16:42                                       ` Andrew Lunn
2021-07-27 19:42                                       ` Michael Walle
2021-07-28 20:43                                       ` Heiner Kallweit
2021-07-29  6:39                                         ` Kurt Kanzenbach
2021-07-29  8:59                                         ` Marek Behún
2021-07-29 21:54                                           ` Heiner Kallweit
2021-08-10 17:29                                         ` Pavel Machek
2021-08-10 17:55                                           ` Marek Behún
2021-08-10 19:53                                             ` Pavel Machek
2021-08-10 20:53                                               ` Marek Behún
2021-08-17 19:02                                                 ` Pavel Machek
2021-08-25 15:26                                                   ` Marek Behún
2021-08-26 12:45                                                     ` Pavel Machek
2021-08-10 20:46                                           ` Heiner Kallweit
2021-08-10 21:21                                             ` Andrew Lunn
2021-07-27 13:55                           ` Marek Behún
2021-08-10 17:22                             ` Documentation for naming LEDs was " Pavel Machek
2021-07-19 21:48   ` Jesse Brandeburg
2021-07-20 13:31     ` Kurt Kanzenbach
2021-07-17  0:30 ` [PATCH net-next 0/5][pull request] 1GbE Intel Wired LAN Driver Updates 2021-07-16 patchwork-bot+netdevbpf
2021-07-17 17:36   ` Andrew Lunn

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