lm_get_speed_real_from_elink_line_speed
real_speed = lm_get_speed_real_from_elink_line_speed(&pdev->vars.link);
port_speed = lm_get_speed_real_from_elink_line_speed(&pdev->vars.link);
u32_t lm_get_speed_real_from_elink_line_speed( IN const struct elink_vars* link_vars );