Module Name:    src
Committed By:   roy
Date:           Sat Oct  1 17:17:21 UTC 2016

Modified Files:
        src/sys/netinet: in.c

Log Message:
Default netmask to /32 for INET on POINTOPOINT links if not specified.


To generate a diff of this commit:
cvs rdiff -u -r1.185 -r1.186 src/sys/netinet/in.c

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

Modified files:

Index: src/sys/netinet/in.c
diff -u src/sys/netinet/in.c:1.185 src/sys/netinet/in.c:1.186
--- src/sys/netinet/in.c:1.185	Thu Sep 29 15:18:18 2016
+++ src/sys/netinet/in.c	Sat Oct  1 17:17:20 2016
@@ -1,4 +1,4 @@
-/*	$NetBSD: in.c,v 1.185 2016/09/29 15:18:18 roy Exp $	*/
+/*	$NetBSD: in.c,v 1.186 2016/10/01 17:17:20 roy Exp $	*/
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -91,7 +91,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: in.c,v 1.185 2016/09/29 15:18:18 roy Exp $");
+__KERNEL_RCSID(0, "$NetBSD: in.c,v 1.186 2016/10/01 17:17:20 roy Exp $");
 
 #include "arp.h"
 
@@ -1122,7 +1122,9 @@ in_ifinit(struct ifnet *ifp, struct in_i
 	in_ifaddlocal(&ia->ia_ifa);
 
 	i = ia->ia_addr.sin_addr.s_addr;
-	if (IN_CLASSA(i))
+	if (ifp->if_flags & IFF_POINTOPOINT)
+		ia->ia_netmask = INADDR_BROADCAST;	/* default to /32 */
+	else if (IN_CLASSA(i))
 		ia->ia_netmask = IN_CLASSA_NET;
 	else if (IN_CLASSB(i))
 		ia->ia_netmask = IN_CLASSB_NET;

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