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 /* determine capability on a per-packet basis */
  13 #define IP6_TNL_F_CAP_PER_PACKET 0x40000
  14
  15 /* IPv6 tunnel */
  16
  17 struct ip6_tnl {
  18         struct ip6_tnl __rcu *next;     /* next tunnel in list */
  19         struct net_device *dev; /* virtual device associated with tunnel */
  20         struct ip6_tnl_parm parms;      /* tunnel configuration parameters */
  21         struct flowi fl;        /* flowi template for xmit */
  22         struct dst_entry *dst_cache;    /* cached dst */
  23         u32 dst_cookie;
  24 };
  25
  26 /* Tunnel encapsulation limit destination sub-option */
  27
  28 struct ipv6_tlv_tnl_enc_lim {
  29         __u8 type;              /* type-code for option         */
  30         __u8 length;            /* option length                */
  31         __u8 encap_limit;       /* tunnel encapsulation limit   */
  32 } __packed;
  33
  34 #endif