IRDMA_ARP_ADD_UPDATE
if (action == IRDMA_ARP_ADD_UPDATE) {
#define IRDMA_ARP_ADD IRDMA_ARP_ADD_UPDATE
case IRDMA_ARP_ADD_UPDATE: /* ARP Add or Update */
irdma_manage_arp_cache(rf, mac, ip, IRDMA_ARP_ADD_UPDATE);