X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv6%2Finet6_connection_sock.c;h=78de42ada8444225799e9509ecb5424944e493f6;hb=061964fb988ca51087948975da66ff523b3a5852;hp=827f41d1478b3076b146db5563d903760fb5c6bc;hpb=0cd43f83d381c4246a08cd775834833d6fd64805;p=linux-2.6

diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index 827f41d147..78de42ada8 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -52,20 +52,20 @@ EXPORT_SYMBOL_GPL(inet6_csk_bind_conflict);
 /*
  * request_sock (formerly open request) hash tables.
  */
-static u32 inet6_synq_hash(const struct in6_addr *raddr, const u16 rport,
+static u32 inet6_synq_hash(const struct in6_addr *raddr, const __be16 rport,
 			   const u32 rnd, const u16 synq_hsize)
 {
-	u32 a = raddr->s6_addr32[0];
-	u32 b = raddr->s6_addr32[1];
-	u32 c = raddr->s6_addr32[2];
+	u32 a = (__force u32)raddr->s6_addr32[0];
+	u32 b = (__force u32)raddr->s6_addr32[1];
+	u32 c = (__force u32)raddr->s6_addr32[2];
 
 	a += JHASH_GOLDEN_RATIO;
 	b += JHASH_GOLDEN_RATIO;
 	c += rnd;
 	__jhash_mix(a, b, c);
 
-	a += raddr->s6_addr32[3];
-	b += (u32)rport;
+	a += (__force u32)raddr->s6_addr32[3];
+	b += (__force u32)rport;
 	__jhash_mix(a, b, c);
 
 	return c & (synq_hsize - 1);
@@ -73,7 +73,7 @@ static u32 inet6_synq_hash(const struct in6_addr *raddr, const u16 rport,
 
 struct request_sock *inet6_csk_search_req(const struct sock *sk,
 					  struct request_sock ***prevp,
-					  const __u16 rport,
+					  const __be16 rport,
 					  const struct in6_addr *raddr,
 					  const struct in6_addr *laddr,
 					  const int iif)
@@ -139,6 +139,41 @@ void inet6_csk_addr2sockaddr(struct sock *sk, struct sockaddr * uaddr)
 
 EXPORT_SYMBOL_GPL(inet6_csk_addr2sockaddr);
 
+static inline
+void __inet6_csk_dst_store(struct sock *sk, struct dst_entry *dst,
+			   struct in6_addr *daddr, struct in6_addr *saddr)
+{
+	__ip6_dst_store(sk, dst, daddr, saddr);
+
+#ifdef CONFIG_XFRM
+	{
+		struct rt6_info *rt = (struct rt6_info  *)dst;
+		rt->rt6i_flow_cache_genid = atomic_read(&flow_cache_genid);
+	}
+#endif
+}
+
+static inline
+struct dst_entry *__inet6_csk_dst_check(struct sock *sk, u32 cookie)
+{
+	struct dst_entry *dst;
+
+	dst = __sk_dst_check(sk, cookie);
+
+#ifdef CONFIG_XFRM
+	if (dst) {
+		struct rt6_info *rt = (struct rt6_info *)dst;
+		if (rt->rt6i_flow_cache_genid != atomic_read(&flow_cache_genid)) {
+			sk->sk_dst_cache = NULL;
+			dst_release(dst);
+			dst = NULL;
+		}
+	}
+#endif
+
+	return dst;
+}
+
 int inet6_csk_xmit(struct sk_buff *skb, int ipfragok)
 {
 	struct sock *sk = skb->sk;
@@ -166,7 +201,7 @@ int inet6_csk_xmit(struct sk_buff *skb, int ipfragok)
 		final_p = &final;
 	}
 
-	dst = __sk_dst_check(sk, np->dst_cookie);
+	dst = __inet6_csk_dst_check(sk, np->dst_cookie);
 
 	if (dst == NULL) {
 		int err = ip6_dst_lookup(sk, &dst, &fl);
@@ -186,7 +221,7 @@ int inet6_csk_xmit(struct sk_buff *skb, int ipfragok)
 			return err;
 		}
 
-		__ip6_dst_store(sk, dst, NULL, NULL);
+		__inet6_csk_dst_store(sk, dst, NULL, NULL);
 	}
 
 	skb->dst = dst_clone(dst);