netdev - Re: [PATCH v2 iproute2 0/3] Multiple Spanning Tree (MST) Support

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Date: Wed, 26 Jun 2024 09:11:41 +0300
From: Nikolay Aleksandrov <razor@...ckwall.org>
To: Tobias Waldekranz <tobias@...dekranz.com>, stephen@...workplumber.org,
 dsahern@...nel.org
Cc: liuhangbin@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH v2 iproute2 0/3] Multiple Spanning Tree (MST) Support

On 24/06/2024 16:00, Tobias Waldekranz wrote:
> This series adds support for:
> 
> - Enabling MST on a bridge:
> 
>       ip link set dev <BR> type bridge mst_enable 1
> 
> - (Re)associating VLANs with an MSTI:
> 
>       bridge vlan global set dev <BR> vid <X> msti <Y>
> 
> - Setting the port state in a given MSTI:
> 
>       bridge mst set dev <PORT> msti <Y> state <Z>
> 
> - Listing the current port MST states:
> 
>       bridge mst show
> 
> NOTE: Multiple spanning tree support was added to Linux a couple of
> years ago[1], but the corresponding iproute2 patches were never
> posted. Mea culpa. Yesterday this was brought to my attention[2],
> which is why you are seeing them today.
> 
> [1]: https://lore.kernel.org/netdev/20220316150857.2442916-1-tobias@waldekranz.com/
> [2]: https://lore.kernel.org/netdev/Zmsc54cVKF1wpzj7@Laptop-X1/
> 
> v1 -> v2:
> - Require exact match for "mst_enabled" bridge option (Liu)
> 
> Tobias Waldekranz (3):
>   ip: bridge: add support for mst_enabled
>   bridge: vlan: Add support for setting a VLANs MSTI
>   bridge: mst: Add get/set support for MST states
> 
>  bridge/Makefile       |   2 +-
>  bridge/br_common.h    |   1 +
>  bridge/bridge.c       |   3 +-
>  bridge/mst.c          | 262 ++++++++++++++++++++++++++++++++++++++++++
>  bridge/vlan.c         |  13 +++
>  ip/iplink_bridge.c    |  19 +++
>  man/man8/bridge.8     |  66 ++++++++++-
>  man/man8/ip-link.8.in |  14 +++
>  8 files changed, 377 insertions(+), 3 deletions(-)
>  create mode 100644 bridge/mst.c
> 

Thanks for posting these, I was also wondering what happened with iproute2 support.
I had to do quick hacks to test my recent mst fixes and I almost missed this set,
please CC bridge maintainers on such changes as well. 

Cheers,
 Nik