include/net/mpls_iptunnel.h

   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 struct mpls_iptunnel_encap {
  18         u8      labels;
  19         u8      ttl_propagate;
  20         u8      default_ttl;
  21         u8      reserved1;
  22         u32     label[0];
  23 };
  24
  25 static inline struct mpls_iptunnel_encap *mpls_lwtunnel_encap(struct lwtunnel_state *lwtstate)
  26 {
  27         return (struct mpls_iptunnel_encap *)lwtstate->data;
  28 }
  29
  30 #endif