net/mlx5: E-Switch, add representor lifecycle lock

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Add a per-E-Switch mutex for serializing representor lifecycle work and
provide small helpers for taking and dropping it. Initialize and destroy
the mutex with the E-Switch offloads state.

Add the lock and helper API first. Follow-up patches will take the lock in
the individual representor lifecycle components. This keeps the functional
changes split by component and leaves this patch without intended behavior
change, making the series easier to review and bisectable.

Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20260503202726.266415-4-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Mark Bloch 2026-05-03 23:27:22 +03:00 • committed by Jakub Kicinski

parent 386ef557f6

commit 9b8468f001

2 changed files with 18 additions and 0 deletions

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6

drivers/net/ethernet/mellanox/mlx5/core/eswitch.h

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12

drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c

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