netdev - [PATCH net-next 0/8] mlxsw: Various updates

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Date:   Wed,  4 May 2022 09:29:01 +0300
From:   Ido Schimmel <idosch@...dia.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
        edumazet@...gle.com, petrm@...dia.com, mlxsw@...dia.com,
        Ido Schimmel <idosch@...dia.com>
Subject: [PATCH net-next 0/8] mlxsw: Various updates

Patches #1-#3 add missing topology diagrams in selftests and perform
small cleanups.

Patches #4-#5 make small adjustments in QoS configuration. See detailed
description in the commit messages.

Patches #6-#8 reduce the number of background EMAD transactions. The
driver periodically queries the device (via EMAD transactions) about
updates that cannot happen in certain situations. This can negatively
impact the latency of time critical transactions, as the device is busy
processing other transactions.

Before:

 # perf stat -a -e devlink:devlink_hwmsg -- sleep 10

  Performance counter stats for 'system wide':

                452      devlink:devlink_hwmsg

       10.009736160 seconds time elapsed

After:

 # perf stat -a -e devlink:devlink_hwmsg -- sleep 10

  Performance counter stats for 'system wide':

                  0      devlink:devlink_hwmsg

       10.001726333 seconds time elapsed

Ido Schimmel (3):
  mlxsw: spectrum_acl: Do not report activity for multicast routes
  mlxsw: spectrum_switchdev: Only query FDB notifications when necessary
  mlxsw: spectrum_router: Only query neighbour activity when necessary

Petr Machata (5):
  selftests: mlxsw: bail_on_lldpad before installing the cleanup trap
  selftests: router_vid_1: Add a diagram, fix coding style
  selftests: router.sh: Add a diagram
  mlxsw: spectrum_dcb: Do not warn about priority changes
  mlxsw: Treat LLDP packets as control

 .../mellanox/mlxsw/spectrum_acl_tcam.c        |  5 ++-
 .../ethernet/mellanox/mlxsw/spectrum_dcb.c    | 13 --------
 .../ethernet/mellanox/mlxsw/spectrum_router.c |  6 ++++
 .../ethernet/mellanox/mlxsw/spectrum_router.h |  1 +
 .../mellanox/mlxsw/spectrum_switchdev.c       | 31 ++++++++++++-------
 .../ethernet/mellanox/mlxsw/spectrum_trap.c   |  2 +-
 .../drivers/net/mlxsw/qos_headroom.sh         |  4 +--
 .../selftests/drivers/net/mlxsw/qos_pfc.sh    |  4 +--
 .../drivers/net/mlxsw/sch_red_ets.sh          |  5 ++-
 .../drivers/net/mlxsw/sch_red_root.sh         |  5 ++-
 .../selftests/net/forwarding/router.sh        | 18 +++++++++++
 .../selftests/net/forwarding/router_vid_1.sh  | 27 +++++++++++++++-
 12 files changed, 82 insertions(+), 39 deletions(-)

-- 
2.35.1