summaryrefslogtreecommitdiff
path: root/sys/netmpls/mpls_input.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/netmpls/mpls_input.c')
-rw-r--r--sys/netmpls/mpls_input.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/netmpls/mpls_input.c b/sys/netmpls/mpls_input.c
index 37005935a21..3715a00a95a 100644
--- a/sys/netmpls/mpls_input.c
+++ b/sys/netmpls/mpls_input.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mpls_input.c,v 1.24 2010/05/31 11:46:02 claudio Exp $ */
+/* $OpenBSD: mpls_input.c,v 1.25 2010/05/31 15:31:01 claudio Exp $ */
/*
* Copyright (c) 2008 Claudio Jeker <claudio@openbsd.org>
@@ -153,6 +153,11 @@ mpls_input(struct mbuf *m)
switch (ntohl(smpls->smpls_label)) {
case MPLS_LABEL_IPV4NULL:
+ /*
+ * RFC 4182 relaxes the position of the
+ * explicit NULL labels. The no longer need
+ * to be at the beginning of the stack.
+ */
if (hasbos) {
mpls_ip_input(m, ttl);
goto done;