netdev - PRP with VLAN support - or how to contribute to a Linux network driver

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Message-ID: <75E355CF-3621-40D7-A31C-BA829804DFA2@meinberg.de>
Date: Mon, 6 Nov 2023 12:01:57 +0100
From: Heiko Gerstung <heiko.gerstung@...nberg.de>
To: "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: PRP with VLAN support - or how to contribute to a Linux network
 driver

Hi All,

we are looking for a way to use the hsr/prp driver in our products and found out that it does not support VLANs at the moment. As I can see, the hsr driver is marked as “orphan”, i.e. there is no active maintainer for it. 

I would like to discuss if it makes sense to remove the PRP functionality from the HSR driver (which is based on the bridge kernel module AFAICS) and instead implement PRP as a separate module (based on the Bonding driver, which would make more sense for PRP). We have a working implementation for such a module for 4.14 and would only need help in porting it to newer kernels. We would volunteer to maintain that kernel module (or sponsor someone who could).  

Hoping for advise what the next steps could be. Happy to discuss this off-list as it may not be of interest for most people. 

Thank you
  Heiko

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