HFI1_IB_CFG_LWID_ENB
case HFI1_IB_CFG_LWID_ENB: /* allowed Link-width */
case HFI1_IB_CFG_LWID_ENB: /* set allowed Link-width */
(void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_LWID_ENB, w);