Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

===================================================================
RCS file: /ftp/cvs/cvsroot/src/sys/netinet/ip_input.c,v
retrieving revision 1.294
retrieving revision 1.295
diff -u -p -r1.294 -r1.295
--- src/sys/netinet/ip_input.c	2011/04/14 20:32:04	1.294
+++ src/sys/netinet/ip_input.c	2011/05/03 17:44:31	1.295
@@ -1,4 +1,4 @@
-/*	$NetBSD: ip_input.c,v 1.294 2011/04/14 20:32:04 dyoung Exp $	*/
+/*	$NetBSD: ip_input.c,v 1.295 2011/05/03 17:44:31 dyoung Exp $	*/
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -91,7 +91,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ip_input.c,v 1.294 2011/04/14 20:32:04 dyoung Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ip_input.c,v 1.295 2011/05/03 17:44:31 dyoung Exp $");
 
 #include "opt_inet.h"
 #include "opt_compat_netbsd.h"
@@ -278,6 +278,8 @@ static	struct ip_srcrt {
 	struct	in_addr route[MAX_IPOPTLEN/sizeof(struct in_addr)];
 } ip_srcrt;
 
+static int ip_drainwanted;
+
 static void save_rte(u_char *, struct in_addr);
 
 #ifdef MBUFTRACE
@@ -1282,6 +1284,21 @@ const int inetctlerrmap[PRC_NCMDS] = {
 	[PRC_PARAMPROB] = ENOPROTOOPT,
 };
 
+void
+ip_fasttimo(void)
+{
+	if (ip_drainwanted) {
+		ip_drain();
+		ip_drainwanted = 0;
+	}
+}
+
+void
+ip_drainstub(void)
+{
+	ip_drainwanted = 1;
+}
+
 /*
  * Forward a packet.  If some error occurs return the sender
  * an icmp packet.  Note we can't always generate a meaningful