if (likely(txq->mp2mr[i]->start <= addr && txq->mp2mr[i]->end >= addr))
return txq->mp2mr[i]->lkey;
for (i = 0; (i != RTE_DIM(txq->mp2mr)); ++i) {
if (likely(txq->mp2mr[i]->start <= addr && txq->mp2mr[i]->end >= addr))
return txq->mp2mr[i]->lkey;
for (i = 0; (i != RTE_DIM(txq->mp2mr)); ++i) {