siphash_3u32
mac = siphash_3u32((__force u32)tunnel->ip4,
u64 siphash_3u32(const u32 a, const u32 b, const u32 c,
EXPORT_SYMBOL(siphash_3u32);
chk(siphash_3u32(0x03020100U, 0x07060504U,
st.hash64 = siphash_3u32((__force u32)saddr, (__force u32)daddr,
hash = siphash_3u32((__force u32)iph->daddr,
info->skbid = (u32)siphash_3u32(hash32_ptr(skb),