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| author | Eric Dumazet <edumazet@google.com> | 2013-02-15 18:14:48 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-02-18 12:23:51 -0500 |
| commit | 279e9f2ff7351a7908f964332e778049712cbd5b (patch) | |
| tree | 182352c3facc2d15330d38db67930431685424cd /net/ipv6 | |
| parent | c8c5b287152bfd10c27390d36df2a8131cf906f5 (diff) | |
| download | lwn-279e9f2ff7351a7908f964332e778049712cbd5b.tar.gz lwn-279e9f2ff7351a7908f964332e778049712cbd5b.zip | |
ipv6: optimize inet6_hash_frag()
Use ipv6_addr_hash() and a single jhash invocation.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/reassembly.c | 15 |
1 files changed, 1 insertions, 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); } |