diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index 33456c0..95c4630 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -426,10 +426,13 @@
 		dccp_ackpkts_alloc(unsigned int len,
 				  const unsigned int __nocast priority);
 extern void dccp_ackpkts_free(struct dccp_ackpkts *ap);
-extern int dccp_ackpkts_add(struct dccp_ackpkts *ap, u64 ackno, u8 state);
+extern int dccp_ackpkts_add(struct dccp_ackpkts *ap, const struct sock *sk,
+			    u64 ackno, u8 state);
 extern void dccp_ackpkts_check_rcv_ackno(struct dccp_ackpkts *ap,
 					 struct sock *sk, u64 ackno);
 
+extern void dccp_timestamp(const struct sock *sk, struct timeval *tv);
+
 static inline suseconds_t timeval_usecs(const struct timeval *tv)
 {
 	return tv->tv_sec * USEC_PER_SEC + tv->tv_usec;
@@ -468,17 +471,6 @@
 	}
 }
 
-/*
- * Returns the difference in usecs between timeval
- * passed in and current time
- */
-static inline suseconds_t timeval_now_delta(const struct timeval *tv)
-{
-	struct timeval now;
-	do_gettimeofday(&now);
-	return timeval_delta(&now, tv);
-}
-
 #ifdef CONFIG_IP_DCCP_DEBUG
 extern void dccp_ackvector_print(const u64 ackno,
 				 const unsigned char *vector, int len);