* header checksum value; it is already accounted for in the
* checksum value found in the trailer.
*/
- ip_payload_csum = ~csum_trailer->csum_value;
+ ip_payload_csum = csum_trailer->csum_value;
- pseudo_csum = ~csum_tcpudp_magic(ip4h->saddr, ip4h->daddr,
- ntohs(ip4h->tot_len) - ip4h->ihl * 4,
- ip4h->protocol, 0);
+ pseudo_csum = csum_tcpudp_magic(ip4h->saddr, ip4h->daddr,
+ ntohs(ip4h->tot_len) - ip4h->ihl * 4,
+ ip4h->protocol, 0);
/* The cast is required to ensure only the low 16 bits are examined */
if (ip_payload_csum != (__sum16)~pseudo_csum) {
* checksum computed over the pseudo header.
*/
ip_header_csum = (__force __be16)ip_fast_csum(ip6h, sizeof(*ip6h) / 4);
- ip6_payload_csum = ~csum16_sub(csum_trailer->csum_value, ip_header_csum);
+ ip6_payload_csum = csum16_sub(csum_trailer->csum_value, ip_header_csum);
length = (ip6h->nexthdr == IPPROTO_UDP) ?
ntohs(((struct udphdr *)txporthdr)->len) :
ntohs(ip6h->payload_len);
- pseudo_csum = ~csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr,
- length, ip6h->nexthdr, 0);
+ pseudo_csum = csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr,
+ length, ip6h->nexthdr, 0);
/* It's sufficient to compare the IP payload checksum with the
* negated pseudo checksum to determine whether the packet