net/mlx5: Expose cable_length field in PFCC register

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Introduce new "cable_length" field in PFCC register and related fields
to enhance rx buffer configuration management:
1. cable_length: Shifts cable length handling to fw by storing a
   manually entered length from user in PFCC.cable_length
2. lane_rate_oper: In a case where PFCC.cable_length is not supported,
   helps compute a default cable length

Signed-off-by: Oren Sidi <osidi@nvidia.com>
Reviewed-by: Alex Lazar <alazar@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1752734895-257735-4-git-send-email-tariqt@nvidia.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

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Oren Sidi 2025-07-17 09:48:15 +03:00 • committed by Leon Romanovsky

parent 6f09ee0b58

commit 9a0048e0ae

1 changed files with 15 additions and 4 deletions

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include/linux/mlx5/mlx5_ifc.h

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