include/net/ip6_tunnel.h

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