PKTS_PER_BATCH
unrolled_count(PKTS_PER_BATCH)
for (i = 0; i < PKTS_PER_BATCH; i++) {
batched = nb_pkts & ~(PKTS_PER_BATCH - 1);
leftover = nb_pkts & (PKTS_PER_BATCH - 1);
for (i = 0; i < batched; i += PKTS_PER_BATCH)
unrolled_count(PKTS_PER_BATCH)
for (i = 0; i < PKTS_PER_BATCH; i++) {
batched = ALIGN_DOWN(nb_pkts, PKTS_PER_BATCH);
leftover = nb_pkts & (PKTS_PER_BATCH - 1);
for (i = 0; i < batched; i += PKTS_PER_BATCH)