lkml.org 
[lkml]   [2022]   [Nov]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3 2/3] net: dsa: use NET_NAME_PREDICTABLE for user ports with name given in DT
On Wed, Nov 16, 2022 at 11:52:03AM +0100, Rasmus Villemoes wrote:
> When a user port has a label in device tree, the corresponding
> netdevice is, to quote include/uapi/linux/netdevice.h, "predictably
> named by the kernel". This is also explicitly one of the intended use
> cases for NET_NAME_PREDICTABLE, quoting 685343fc3ba6 ("net: add
> name_assign_type netdev attribute"):
>
> NET_NAME_PREDICTABLE:
> The ifname has been assigned by the kernel in a predictable way
> [...] Examples include [...] and names deduced from hardware
> properties (including being given explicitly by the firmware).
>
> Expose that information properly for the benefit of userspace tools
> that make decisions based on the name_assign_type attribute,
> e.g. a systemd-udev rule with "kernel" in NamePolicy.
>
> Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>

Reviewed-by: Andrew Lunn <andrew@lunn.ch>

Andrew

\
 
 \ /
  Last update: 2022-11-16 14:43    [W:0.062 / U:0.160 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site