lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date:   Thu, 27 Aug 2020 12:08:31 +0200
From:   Rasmus Villemoes <rasmus.villemoes@...vas.dk>
To:     Network Development <netdev@...r.kernel.org>
Cc:     Lasse Klok Mikkelsen <Lasse.Klok@...vas.se>
Subject: powering off phys on 'ip link set down'

Hi,

We have a requirement that when an interface is taken down
administratively, the phy should be powered off. That also works when
the interface has link when the 'ip link set down ...' is run. But if
there's no cable plugged in, the phy stays powered on (as can be seen
both using phytool, and from the fact that a peer gets carrier once a
cable is later plugged in).

Is this expected behaviour? Driver/device dependent? Can we do anything
to force the phy off?

Thanks,
Rasmus

Powered by blists - more mailing lists