__mlx5_64_off
*((__be64 *)(p) + __mlx5_64_off(typ, fld)) = cpu_to_be64(v); \
#define MLX5_GET64(typ, p, fld) be64_to_cpu(*((__be64 *)(p) + __mlx5_64_off(typ, fld)))
__mlx5_64_off(typ, fld)))