1 files changed, 21 insertions, 2 deletions

diff --git a/net/dccp/minisocks.c b/net/dccp/minisocks.c
index 1393461898bb..29261fc198e7 100644
--- a/net/dccp/minisocks.c
+++ b/net/dccp/minisocks.c
@@ -40,6 +40,8 @@ struct inet_timewait_death_row dccp_death_row = {
 					    (unsigned long)&dccp_death_row),
 };
 
+EXPORT_SYMBOL_GPL(dccp_death_row);
+
 void dccp_time_wait(struct sock *sk, int state, int timeo)
 {
 	struct inet_timewait_sock *tw = NULL;
@@ -50,7 +52,18 @@ void dccp_time_wait(struct sock *sk, int state, int timeo)
 	if (tw != NULL) {
 		const struct inet_connection_sock *icsk = inet_csk(sk);
 		const int rto = (icsk->icsk_rto << 2) - (icsk->icsk_rto >> 1);
-
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+		if (tw->tw_family == PF_INET6) {
+			const struct ipv6_pinfo *np = inet6_sk(sk);
+			struct inet6_timewait_sock *tw6;
+
+			tw->tw_ipv6_offset = inet6_tw_offset(sk->sk_prot);
+			tw6 = inet6_twsk((struct sock *)tw);
+			ipv6_addr_copy(&tw6->tw_v6_daddr, &np->daddr);
+			ipv6_addr_copy(&tw6->tw_v6_rcv_saddr, &np->rcv_saddr);
+			tw->tw_ipv6only = np->ipv6only;
+		}
+#endif
 		/* Linkage updates. */
 		__inet_twsk_hashdance(tw, sk, &dccp_hashinfo);
 
@@ -170,6 +183,8 @@ out_free:
 	return newsk;
 }
 
+EXPORT_SYMBOL_GPL(dccp_create_openreq_child);
+
 /* 
  * Process an incoming packet for RESPOND sockets represented
  * as an request_sock.
@@ -214,7 +229,7 @@ struct sock *dccp_check_req(struct sock *sk, struct sk_buff *skb,
 		goto drop;
 	}
 
-	child = dccp_v4_request_recv_sock(sk, skb, req, NULL);
+	child = inet_csk(sk)->icsk_af_ops->syn_recv_sock(sk, skb, req, NULL);
 	if (child == NULL)
 		goto listen_overflow;
 
@@ -236,6 +251,8 @@ drop:
 	goto out;
 }
 
+EXPORT_SYMBOL_GPL(dccp_check_req);
+
 /*
  *  Queue segment on the new socket if the new socket is active,
  *  otherwise we just shortcircuit this and continue with
@@ -266,3 +283,5 @@ int dccp_child_process(struct sock *parent, struct sock *child,
 	sock_put(child);
 	return ret;
 }
+
+EXPORT_SYMBOL_GPL(dccp_child_process);