net/mlx5: LAG, replace pf array with xarray

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Replace the fixed-size array with a dynamic xarray.

This commit changes:
- Adds mlx5_lag_pf() helper for consistent xarray access
- Converts all direct pf[] accesses to use the new helper/macro
- Dynamically allocates lag_func entries via xa_store/xa_load

No functional changes intended. This prepares the LAG infrastructure
for future flexibility in device indexing.

Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20260309093435.1850724-4-tariqt@nvidia.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

...

This commit is contained in:

Shay Drory 2026-03-09 11:34:29 +02:00 • committed by Leon Romanovsky

parent 691dffc725

commit 91e9f3e7b6

6 changed files with 243 additions and 120 deletions

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3

drivers/net/ethernet/mellanox/mlx5/core/lag/debugfs.c

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300

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

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

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drivers/net/ethernet/mellanox/mlx5/core/lag/mp.c

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drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c

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drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.c

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