mpls: allow TTL propagation from IP packets to be configured
[linux-2.6-block.git] / include / net / mpls_iptunnel.h
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1/*
2 * Copyright (c) 2015 Cumulus Networks, Inc.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of version 2 of the GNU General Public
6 * License as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13
14#ifndef _NET_MPLS_IPTUNNEL_H
15#define _NET_MPLS_IPTUNNEL_H 1
16
17#define MAX_NEW_LABELS 2
18
19struct mpls_iptunnel_encap {
20 u32 label[MAX_NEW_LABELS];
f8efb73c 21 u8 labels;
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22 u8 ttl_propagate;
23 u8 default_ttl;
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24};
25
26static inline struct mpls_iptunnel_encap *mpls_lwtunnel_encap(struct lwtunnel_state *lwtstate)
27{
28 return (struct mpls_iptunnel_encap *)lwtstate->data;
29}
30
31#endif