1 #ifndef _NET_IP6_TUNNEL_H
2 #define _NET_IP6_TUNNEL_H
4 #include <linux/ipv6.h>
5 #include <linux/netdevice.h>
6 #include <linux/ip6_tunnel.h>
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
16 struct ip6_tnl __rcu *next; /* next tunnel in list */
17 struct net_device *dev; /* virtual device associated with tunnel */
18 struct ip6_tnl_parm parms; /* tunnel configuration parameters */
19 struct flowi fl; /* flowi template for xmit */
20 struct dst_entry *dst_cache; /* cached dst */
24 /* Tunnel encapsulation limit destination sub-option */
26 struct ipv6_tlv_tnl_enc_lim {
27 __u8 type; /* type-code for option */
28 __u8 length; /* option length */
29 __u8 encap_limit; /* tunnel encapsulation limit */