mtu_to_enum
int mtu_to_enum(u32 mtu, int default_if_bad);
mtu = mtu_to_enum(dd->vld[i].mtu, HFI1_DEFAULT_ACTIVE_MTU);
mtu = mtu_to_enum(dd->vld[15].mtu, 2048);
pi->mtucap = mtu_to_enum(hfi1_max_mtu, IB_MTU_4096);
return mtu_to_enum(mtu, OPA_MTU_8192);
return mtu_to_enum(dd->pport[pidx].ibmtu, IB_MTU_2048);
props->max_mtu = mtu_to_enum((!valid_ib_mtu(hfi1_max_mtu) ?
mtu_to_enum(ppd->ibmtu, IB_MTU_4096);