Commit b6b556af authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

ipv6: use jhash2() in rt6_exception_hash() 



Faster jhash2() can be used instead of jhash(), since
IPv6 addresses have the needed alignment requirement.

Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0c65b2b9

net/ipv6/route.c

+2 −2
Original line number Diff line number Diff line
@@ -1475,11 +1475,11 @@ static u32 rt6_exception_hash(const struct in6_addr *dst, 
	u32 val;



	net_get_random_once(&seed, sizeof(seed));

	val = jhash(dst, sizeof(*dst), seed);

	val = jhash2((const u32 *)dst, sizeof(*dst)/sizeof(u32), seed);



#ifdef CONFIG_IPV6_SUBTREES

	if (src)

		val = jhash(src, sizeof(*src), val);

		val = jhash2((const u32 *)src, sizeof(*src)/sizeof(u32), val);

#endif

	return hash_32(val, FIB6_EXCEPTION_BUCKET_SIZE_SHIFT);

}