/*
* Hash an IPv4 2-tuple.
*/
uint32_t
rss_hash_ip4_2tuple(struct in_addr src, struct in_addr dst)
{
uint8_t data[sizeof(src) + sizeof(dst)];
u_int datalen;
datalen = 0;
bcopy(&src, &data[datalen], sizeof(src));
datalen += sizeof(src);
bcopy(&dst, &data[datalen], sizeof(dst));
datalen += sizeof(dst);
return (rss_hash(datalen, data));
}
/*
* Hash an IPv6 2-tuple.
*/
uint32_t
rss_hash_ip6_2tuple(const struct in6_addr *src, const struct in6_addr *dst)
{
uint8_t data[sizeof(*src) + sizeof(*dst)];
u_int datalen;
datalen = 0;
bcopy(src, &data[datalen], sizeof(*src));
datalen += sizeof(*src);
bcopy(dst, &data[datalen], sizeof(*dst));
datalen += sizeof(*dst);
return (rss_hash(datalen, data));
}
/*
* Hash an IPv6 4-tuple.
*/
uint32_t
rss_hash_ip6_4tuple(struct in6_addr src, u_short srcport,
struct in6_addr dst, u_short dstport)
{
uint8_t data[sizeof(src) + sizeof(dst) + sizeof(srcport) +
sizeof(dstport)];
u_int datalen;
datalen = 0;
bcopy(&src, &data[datalen], sizeof(src));
datalen += sizeof(src);
bcopy(&dst, &data[datalen], sizeof(dst));
datalen += sizeof(dst);
bcopy(&srcport, &data[datalen], sizeof(srcport));
datalen += sizeof(srcport);
bcopy(&dstport, &data[datalen], sizeof(dstport));
datalen += sizeof(dstport);
return (rss_hash(datalen, data));
}
