From 279e9f2ff7351a7908f964332e778049712cbd5b Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Fri, 15 Feb 2013 18:14:48 +0000 Subject: [PATCH] ipv6: optimize inet6_hash_frag() Use ipv6_addr_hash() and a single jhash invocation. Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- net/ipv6/reassembly.c | 15 +-------------- 1 file changed, 1 insertion(+), 14 deletions(-) diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index e354743ed426..9a6428aaa2d8 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -79,20 +79,7 @@ unsigned int inet6_hash_frag(__be32 id, const struct in6_addr *saddr, { u32 c; - c = jhash_3words((__force u32)saddr->s6_addr32[0], - (__force u32)saddr->s6_addr32[1], - (__force u32)saddr->s6_addr32[2], - rnd); - - c = jhash_3words((__force u32)saddr->s6_addr32[3], - (__force u32)daddr->s6_addr32[0], - (__force u32)daddr->s6_addr32[1], - c); - - c = jhash_3words((__force u32)daddr->s6_addr32[2], - (__force u32)daddr->s6_addr32[3], - (__force u32)id, - c); + c = jhash_3words(ipv6_addr_hash(saddr), ipv6_addr_hash(daddr), id, rnd); return c & (INETFRAGS_HASHSZ - 1); } -- 2.20.1