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

This commit is contained in:
roy 2016-10-01 17:17:20 +00:00
parent d1f35c1abb
commit de8590571b
1 changed files with 5 additions and 3 deletions
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8
sys/netinet/in.c
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@ -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_ifaddr *ia,
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;