[src/trunk]: src/sys/netinet Partially revert previous: set RTF_HOST regardle...

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/6138542e41e4
branches:  trunk
changeset: 937979:6138542e41e4
user:      christos <christos%NetBSD.org@localhost>
date:      Sat Aug 29 17:41:14 2020 +0000

description:
Partially revert previous: set RTF_HOST regardless of mask for point-to-point
links. Unbreaks IPSEC/L2TP configurations.

diffstat:

 sys/netinet/in.c |  12 +++++-------
 1 files changed, 5 insertions(+), 7 deletions(-)

diffs (33 lines):

diff -r 2670b323a833 -r 6138542e41e4 sys/netinet/in.c
--- a/sys/netinet/in.c  Sat Aug 29 17:34:21 2020 +0000
+++ b/sys/netinet/in.c  Sat Aug 29 17:41:14 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: in.c,v 1.237 2020/08/20 21:21:32 riastradh Exp $       */
+/*     $NetBSD: in.c,v 1.238 2020/08/29 17:41:14 christos 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 1.237 2020/08/20 21:21:32 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: in.c,v 1.238 2020/08/29 17:41:14 christos Exp $");
 
 #include "arp.h"
 
@@ -1231,11 +1231,9 @@
                ia->ia_dstaddr = ia->ia_addr;
                flags |= RTF_HOST;
        } else if (ifp->if_flags & IFF_POINTOPOINT) {
-               if (in_mask2len(&ia->ia_sockmask.sin_addr) == 32) {
-                       if (ia->ia_dstaddr.sin_family != AF_INET)
-                               return (0);
-                       flags |= RTF_HOST;
-               }
+               if (ia->ia_dstaddr.sin_family != AF_INET)
+                       return (0);
+               flags |= RTF_HOST;
        }
 
        /* Add the local route to the address */