From: Andrew Lunn <andrew@lunn.ch>
To: Marek Behun <marek.behun@nic.cz>
Cc: netdev@vger.kernel.org, linux-leds@vger.kernel.org,
"Pavel Machek" <pavel@ucw.cz>, "Dan Murphy" <dmurphy@ti.com>,
"Ondřej Jirman" <megous@megous.com>,
"Russell King" <linux@armlinux.org.uk>,
linux-kernel@vger.kernel.org,
"Matthias Schiffer" <matthias.schiffer@ew.tq-group.com>,
"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH net-next + leds v2 0/7] PLEASE REVIEW: Add support for LEDs on Marvell PHYs
Date: Thu, 10 Sep 2020 00:39:33 +0200 [thread overview]
Message-ID: <20200909223933.GM3290129@lunn.ch> (raw)
In-Reply-To: <20200910001152.34de9a2d@nic.cz>
> They are in /sys/class/net/eth0/phydev/leds by default, because they
> are children of the PHY device and are of `leds` class, and the PHY
> subsystem creates a symlink `phydev` when PHY is attached to the
> interface.
> They are in /sys/class/leds/ as symlinks, because AFAIK everything in
> /sys/class/<CLASS>/ is a symlink...
>
> > Have you played with network namespaces? What happens with
> >
> > ip netns add ns1
> >
> > ip link set eth0 netns ns1
> >
> > Andrew
>
> If you move eth0 to other network namespace, naturally the
> /sys/class/net/eth0 symlink will disappear, as will the directory it
> pointed to.
>
> The symlink phydev does will disappear from /sys/class/net/eth0/
> directory after eth0 is moved to ns1, and is lost. It does not return
> even if eth0 is moved back to root namespace.
Yes, i just played with this. I would say that is an existing bug. The
link would still work in the namespace, since the mdio_bus is not net
namespace aware and remains accessible from all namespaces.
Andrew
prev parent reply other threads:[~2020-09-09 22:39 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-09 16:25 [PATCH net-next + leds v2 0/7] PLEASE REVIEW: Add support for LEDs on Marvell PHYs Marek Behún
2020-09-09 16:25 ` [PATCH net-next + leds v2 1/7] dt-bindings: leds: document binding for HW controlled LEDs Marek Behún
2020-09-09 18:27 ` Andrew Lunn
2020-09-09 18:33 ` Marek Behún
2020-09-09 20:59 ` Rob Herring
2020-09-09 21:07 ` Marek Behun
2020-09-09 21:31 ` Rob Herring
2020-09-09 21:43 ` Marek Behun
2020-09-09 20:56 ` Rob Herring
2020-09-09 21:15 ` Rob Herring
2020-09-09 21:58 ` Marek Behun
2020-09-09 16:25 ` [PATCH net-next + leds v2 2/7] leds: add generic API for LEDs that can be controlled by hardware Marek Behún
2020-09-09 18:20 ` Randy Dunlap
2020-09-09 18:31 ` Marek Behún
2020-09-09 18:43 ` Randy Dunlap
2020-09-09 20:48 ` Pavel Machek
2020-09-09 21:20 ` Marek Behun
2020-09-09 21:40 ` Pavel Machek
2020-09-09 22:15 ` Marek Behun
2020-09-09 22:20 ` Pavel Machek
2020-09-09 16:25 ` [PATCH net-next + leds v2 3/7] net: phy: add simple incrementing phyindex member to phy_device struct Marek Behún
2020-09-10 12:20 ` Pavel Machek
2020-09-09 16:25 ` [PATCH net-next + leds v2 4/7] dt-bindings: net: ethernet-phy: add description for PHY LEDs Marek Behún
2020-09-09 16:25 ` [PATCH net-next + leds v2 5/7] net: phy: add support for LEDs controlled by ethernet PHY chips Marek Behún
2020-09-10 12:22 ` Pavel Machek
2020-09-09 16:25 ` [PATCH net-next + leds v2 6/7] net: phy: marvell: add support for LEDs controlled by Marvell PHYs Marek Behún
2020-09-10 12:23 ` Pavel Machek
2020-09-10 13:15 ` Andrew Lunn
2020-09-10 14:15 ` Marek Behún
2020-09-10 14:46 ` Andrew Lunn
2020-09-10 15:00 ` Andrew Lunn
2020-09-11 7:12 ` Matthias Schiffer
2020-09-11 12:42 ` Andrew Lunn
2020-09-11 12:52 ` Marek Behún
2020-09-10 20:23 ` Pavel Machek
2020-09-10 20:31 ` Andrew Lunn
2020-09-10 20:39 ` Pavel Machek
2020-09-10 20:41 ` Marek Behun
2020-09-10 18:24 ` Pavel Machek
2020-09-10 18:31 ` Andrew Lunn
2020-09-10 18:34 ` Russell King - ARM Linux admin
2020-09-10 20:31 ` Marek Behun
2020-09-10 21:44 ` Russell King - ARM Linux admin
2020-09-11 12:53 ` Marek Behún
2020-09-09 16:25 ` [PATCH net-next + mvebu v2 7/7] arm64: dts: armada-3720-turris-mox: add nodes for ethernet PHY LEDs Marek Behún
2020-09-10 12:25 ` Pavel Machek
2020-09-09 21:42 ` [PATCH net-next + leds v2 0/7] PLEASE REVIEW: Add support for LEDs on Marvell PHYs Andrew Lunn
2020-09-09 22:11 ` Marek Behun
2020-09-09 22:39 ` Andrew Lunn [this message]
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