__be16 oldport, __be16 newport)
{
uhdr->check =
- ip_vs_check_diff(~oldip, newip,
- ip_vs_check_diff(oldport ^ htons(0xFFFF),
- newport, uhdr->check));
+ csum_fold(ip_vs_check_diff4(oldip, newip,
+ ip_vs_check_diff2(oldport, newport,
+ ~csum_unfold(uhdr->check))));
if (!uhdr->check)
- uhdr->check = -1;
+ uhdr->check = CSUM_MANGLED_0;
}
static int
cp->protocol,
(*pskb)->csum);
if (udph->check == 0)
- udph->check = -1;
+ udph->check = CSUM_MANGLED_0;
IP_VS_DBG(11, "O-pkt: %s O-csum=%d (+%zd)\n",
pp->name, udph->check,
(char*)&(udph->check) - (char*)udph);
cp->protocol,
(*pskb)->csum);
if (udph->check == 0)
- udph->check = -1;
+ udph->check = CSUM_MANGLED_0;
(*pskb)->ip_summed = CHECKSUM_UNNECESSARY;
}
return 1;