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authorRoopa Prabhu <roopa@cumulusnetworks.com>2015-07-21 10:43:53 +0200
committerDavid S. Miller <davem@davemloft.net>2015-07-21 10:39:05 -0700
commite3e4712ec0961ed586a8db340bd994c4ad7f5dba (patch)
treedb1b0fc255bb5d35aa8eb83ab0d1b2af764cf87f /include/net/mpls_iptunnel.h
parentface0188e31b3cfc598d8dc3470e28e00fb3b07c (diff)
mpls: ip tunnel support
This implementation uses lwtunnel infrastructure to register hooks for mpls tunnel encaps. It picks cues from iptunnel_encaps infrastructure and previous mpls iptunnel RFC patches from Eric W. Biederman and Robert Shearman Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/mpls_iptunnel.h')
-rw-r--r--include/net/mpls_iptunnel.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/include/net/mpls_iptunnel.h b/include/net/mpls_iptunnel.h
new file mode 100644
index 000000000000..4757997f76ed
--- /dev/null
+++ b/include/net/mpls_iptunnel.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2015 Cumulus Networks, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#ifndef _NET_MPLS_IPTUNNEL_H
+#define _NET_MPLS_IPTUNNEL_H 1
+
+#define MAX_NEW_LABELS 2
+
+struct mpls_iptunnel_encap {
+ u32 label[MAX_NEW_LABELS];
+ u32 labels;
+};
+
+static inline struct mpls_iptunnel_encap *mpls_lwtunnel_encap(struct lwtunnel_state *lwtstate)
+{
+ return (struct mpls_iptunnel_encap *)lwtstate->data;
+}
+
+#endif