include/net/ip6_tunnel.h

   1 /*
   2  * $Id$
   3  */
   4
   5 #ifndef _NET_IP6_TUNNEL_H
   6 #define _NET_IP6_TUNNEL_H
   7
   8 #include <linux/ipv6.h>
   9 #include <linux/netdevice.h>
  10 #include <linux/ip6_tunnel.h>
  11
  12 /* capable of sending packets */
  13 #define IP6_TNL_F_CAP_XMIT 0x10000
  14 /* capable of receiving packets */
  15 #define IP6_TNL_F_CAP_RCV 0x20000
  16
  17 /* IPv6 tunnel */
  18
  19 struct ip6_tnl {
  20         struct ip6_tnl *next;   /* next tunnel in list */
  21         struct net_device *dev; /* virtual device associated with tunnel */
  22         int recursion;          /* depth of hard_start_xmit recursion */
  23         struct ip6_tnl_parm parms;      /* tunnel configuration parameters */
  24         struct flowi fl;        /* flowi template for xmit */
  25         struct dst_entry *dst_cache;    /* cached dst */
  26         u32 dst_cookie;
  27 };
  28
  29 /* Tunnel encapsulation limit destination sub-option */
  30
  31 struct ipv6_tlv_tnl_enc_lim {
  32         __u8 type;              /* type-code for option         */
  33         __u8 length;            /* option length                */
  34         __u8 encap_limit;       /* tunnel encapsulation limit   */
  35 } __attribute__ ((packed));
  36
  37 #endif