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Diffstat (limited to 'include/net/inet6_hashtables.h')
-rw-r--r--include/net/inet6_hashtables.h21
1 files changed, 10 insertions, 11 deletions
diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h
index 03df3b157960..5a2beed5a770 100644
--- a/include/net/inet6_hashtables.h
+++ b/include/net/inet6_hashtables.h
@@ -26,19 +26,18 @@
struct inet_hashinfo;
/* I have no idea if this is a good hash for v6 or not. -DaveM */
-static inline int inet6_ehashfn(const struct in6_addr *laddr, const u16 lport,
- const struct in6_addr *faddr, const u16 fport,
- const int ehash_size)
+static inline unsigned int inet6_ehashfn(const struct in6_addr *laddr, const u16 lport,
+ const struct in6_addr *faddr, const u16 fport)
{
- int hashent = (lport ^ fport);
+ unsigned int hashent = (lport ^ fport);
hashent ^= (laddr->s6_addr32[3] ^ faddr->s6_addr32[3]);
hashent ^= hashent >> 16;
hashent ^= hashent >> 8;
- return (hashent & (ehash_size - 1));
+ return hashent;
}
-static inline int inet6_sk_ehashfn(const struct sock *sk, const int ehash_size)
+static inline int inet6_sk_ehashfn(const struct sock *sk)
{
const struct inet_sock *inet = inet_sk(sk);
const struct ipv6_pinfo *np = inet6_sk(sk);
@@ -46,7 +45,7 @@ static inline int inet6_sk_ehashfn(const struct sock *sk, const int ehash_size)
const struct in6_addr *faddr = &np->daddr;
const __u16 lport = inet->num;
const __u16 fport = inet->dport;
- return inet6_ehashfn(laddr, lport, faddr, fport, ehash_size);
+ return inet6_ehashfn(laddr, lport, faddr, fport);
}
/*
@@ -69,14 +68,14 @@ static inline struct sock *
/* Optimize here for direct hit, only listening connections can
* have wildcards anyways.
*/
- const int hash = inet6_ehashfn(daddr, hnum, saddr, sport,
- hashinfo->ehash_size);
- struct inet_ehash_bucket *head = &hashinfo->ehash[hash];
+ unsigned int hash = inet6_ehashfn(daddr, hnum, saddr, sport);
+ struct inet_ehash_bucket *head = inet_ehash_bucket(hashinfo, hash);
+ prefetch(head->chain.first);
read_lock(&head->lock);
sk_for_each(sk, node, &head->chain) {
/* For IPV6 do the cheaper port and family tests first. */
- if (INET6_MATCH(sk, saddr, daddr, ports, dif))
+ if (INET6_MATCH(sk, hash, saddr, daddr, ports, dif))
goto hit; /* You sunk my battleship! */
}
/* Must check for a TIME_WAIT'er before going to listener hash. */