net/mlx5e: Improve MTT/KSM alignment
Make mlx5e_mpwrq_mtts_per_wqe take into account that KSM requires smaller alignment than MTT. Ensure that there is always an even amount of MTTs in a UMR WQE, so that complete octwords are formed, and no garbage is mapped. Drop extra alignment in MLX5_MTT_OCTW that may cause setting too big ucseg->xlt_octowords, also leading to mapping garbage. Generalize some calculations by introducing the MLX5_OCTWORD constant. Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com> Reviewed-by: Tariq Toukan <tariqt@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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