/* Only port and addr are changed, do fast csum update */
udp_fast_csum_update(udph, cp->daddr, cp->vaddr,
cp->dport, cp->vport);
/* Only port and addr are changed, do fast csum update */
udp_fast_csum_update(udph, cp->daddr, cp->vaddr,
cp->dport, cp->vport);