X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Fnet%2Finet6_hashtables.h;h=fdff630708ce864470a3f422cd9a1f0deea3fabe;hb=c4057f5260650f165054bc56e16acc4aa0510d4f;hp=bc6a71dce984173ebbcf497c4d571cdf2b1815be;hpb=bbe5d235ee201705530a7153b57e141cd77d818b;p=linux-2.6-omap-h63xx.git

diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h
index bc6a71dce98..fdff630708c 100644
--- a/include/net/inet6_hashtables.h
+++ b/include/net/inet6_hashtables.h
@@ -19,6 +19,9 @@
 #include <linux/in6.h>
 #include <linux/ipv6.h>
 #include <linux/types.h>
+#include <linux/jhash.h>
+
+#include <net/inet_sock.h>
 
 #include <net/ipv6.h>
 
@@ -26,14 +29,13 @@ struct inet_hashinfo;
 
 /* I have no idea if this is a good hash for v6 or not. -DaveM */
 static inline unsigned int inet6_ehashfn(const struct in6_addr *laddr, const u16 lport,
-				const struct in6_addr *faddr, const u16 fport)
+				const struct in6_addr *faddr, const __be16 fport)
 {
-	unsigned int hashent = (lport ^ fport);
+	u32 ports = (lport ^ (__force u16)fport);
 
-	hashent ^= (laddr->s6_addr32[3] ^ faddr->s6_addr32[3]);
-	hashent ^= hashent >> 16;
-	hashent ^= hashent >> 8;
-	return hashent;
+	return jhash_3words((__force u32)laddr->s6_addr32[3],
+			    (__force u32)faddr->s6_addr32[3],
+			    ports, inet_ehash_secret);
 }
 
 static inline int inet6_sk_ehashfn(const struct sock *sk)
@@ -43,7 +45,7 @@ static inline int inet6_sk_ehashfn(const struct sock *sk)
 	const struct in6_addr *laddr = &np->rcv_saddr;
 	const struct in6_addr *faddr = &np->daddr;
 	const __u16 lport = inet->num;
-	const __u16 fport = inet->dport;
+	const __be16 fport = inet->dport;
 	return inet6_ehashfn(laddr, lport, faddr, fport);
 }
 
@@ -55,36 +57,39 @@ extern void __inet6_hash(struct inet_hashinfo *hashinfo, struct sock *sk);
  *
  * The sockhash lock must be held as a reader here.
  */
-extern struct sock *__inet6_lookup_established(struct inet_hashinfo *hashinfo,
+extern struct sock *__inet6_lookup_established(struct net *net,
+					   struct inet_hashinfo *hashinfo,
 					   const struct in6_addr *saddr,
-					   const u16 sport,
+					   const __be16 sport,
 					   const struct in6_addr *daddr,
 					   const u16 hnum,
 					   const int dif);
 
-extern struct sock *inet6_lookup_listener(struct inet_hashinfo *hashinfo,
+extern struct sock *inet6_lookup_listener(struct net *net,
+					  struct inet_hashinfo *hashinfo,
 					  const struct in6_addr *daddr,
 					  const unsigned short hnum,
 					  const int dif);
 
-static inline struct sock *__inet6_lookup(struct inet_hashinfo *hashinfo,
+static inline struct sock *__inet6_lookup(struct net *net,
+					  struct inet_hashinfo *hashinfo,
 					  const struct in6_addr *saddr,
-					  const u16 sport,
+					  const __be16 sport,
 					  const struct in6_addr *daddr,
 					  const u16 hnum,
 					  const int dif)
 {
-	struct sock *sk = __inet6_lookup_established(hashinfo, saddr, sport,
-						     daddr, hnum, dif);
+	struct sock *sk = __inet6_lookup_established(net, hashinfo, saddr,
+						sport, daddr, hnum, dif);
 	if (sk)
 		return sk;
 
-	return inet6_lookup_listener(hashinfo, daddr, hnum, dif);
+	return inet6_lookup_listener(net, hashinfo, daddr, hnum, dif);
 }
 
-extern struct sock *inet6_lookup(struct inet_hashinfo *hashinfo,
-				 const struct in6_addr *saddr, const u16 sport,
-				 const struct in6_addr *daddr, const u16 dport,
+extern struct sock *inet6_lookup(struct net *net, struct inet_hashinfo *hashinfo,
+				 const struct in6_addr *saddr, const __be16 sport,
+				 const struct in6_addr *daddr, const __be16 dport,
 				 const int dif);
 #endif /* defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE) */
 #endif /* _INET6_HASHTABLES_H */