From 98335aa976a62a117c7397060c2f31d5deee8731 Mon Sep 17 00:00:00 2001
From: Gleb Smirnoff <glebius@FreeBSD.org>
Date: Mon, 6 Dec 2004 19:02:43 +0000
Subject: [PATCH] - Make route cacheing optional, configurable via IFF_LINK0
 flag. - Turn it off by default.

Requested by:	many
Reviewed by:	andre
Approved by:	julian (mentor)
MFC after:	3 days
---
 sys/netinet/in_gif.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sys/netinet/in_gif.c b/sys/netinet/in_gif.c
index 873255f29f21..41e7691fe252 100644
--- a/sys/netinet/in_gif.c
+++ b/sys/netinet/in_gif.c
@@ -209,6 +209,12 @@ in_gif_output(ifp, family, m)
 	}
 
 	error = ip_output(m, NULL, &sc->gif_ro, 0, NULL, NULL);
+
+	if ((sc->gif_if.if_flags & IFF_LINK0) == 0) {
+		RTFREE(sc->gif_ro.ro_rt);
+		sc->gif_ro.ro_rt = NULL;
+	}
+
 	return (error);
 }