npc_check_overlap
npc_check_overlap(rvu, blkaddr, type, 0, intf))
if (npc_check_overlap(rvu, blkaddr, NPC_ETYPE, start_lid, intf)) {
if (npc_check_overlap(rvu, blkaddr, NPC_OUTER_VID, start_lid, intf)) {
if (npc_check_overlap(rvu, blkaddr, NPC_CHAN, 0, NIX_INTF_RX)) {