netdev - [PATCH v3 iproute2 0/4] Multiple Spanning Tree (MST) Support

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Message-Id: <20240702120805.2391594-1-tobias@waldekranz.com>
Date: Tue,  2 Jul 2024 14:08:01 +0200
From: Tobias Waldekranz <tobias@...dekranz.com>
To: stephen@...workplumber.org,
	dsahern@...nel.org,
	roopa@...dia.com,
	razor@...ckwall.org,
	bridge@...ts.linux.dev,
	netdev@...r.kernel.org
Cc: liuhangbin@...il.com
Subject: [PATCH v3 iproute2 0/4] Multiple Spanning Tree (MST) Support

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. Some time ago, this was brought to my attention[2],
which is why you are seeing them now.

[1]: https://lore.kernel.org/netdev/20220316150857.2442916-1-tobias@waldekranz.com/
[2]: https://lore.kernel.org/netdev/Zmsc54cVKF1wpzj7@Laptop-X1/

v2 -> v3:
- Added 2/4 bridge: Remove duplicated textification macros (Nikolay)
- Fold a conditional in to a switch mst.c (Nikolay)
- Give the full command to set a VLAN's MSTI in the man page (Nikolay)
- Use proper type for stp state (Stephen)

v1 -> v2:
- Require exact match for "mst_enabled" bridge option (Liu)

Tobias Waldekranz (4):
  ip: bridge: add support for mst_enabled
  bridge: Remove duplicated textification macros
  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          | 258 ++++++++++++++++++++++++++++++++++++++++++
 bridge/vlan.c         |  54 +++++----
 bridge/vni.c          |  15 +--
 ip/iplink_bridge.c    |  19 ++++
 man/man8/bridge.8     |  66 ++++++++++-
 man/man8/ip-link.8.in |  14 +++
 9 files changed, 398 insertions(+), 34 deletions(-)
 create mode 100644 bridge/mst.c

-- 
2.34.1