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#ifndef _NET_IP6_TUNNEL_H
#define _NET_IP6_TUNNEL_H
#include <linux/ipv6.h>
#include <linux/netdevice.h>
#include <linux/ip6_tunnel.h>
/* capable of sending packets */
#define IP6_TNL_F_CAP_XMIT 0x10000
/* capable of receiving packets */
#define IP6_TNL_F_CAP_RCV 0x20000
/* determine capability on a per-packet basis */
#define IP6_TNL_F_CAP_PER_PACKET 0x40000
/* IPv6 tunnel */
struct ip6_tnl {
struct ip6_tnl __rcu *next; /* next tunnel in list */
struct net_device *dev; /* virtual device associated with tunnel */
struct ip6_tnl_parm parms; /* tunnel configuration parameters */
struct flowi fl; /* flowi template for xmit */
struct dst_entry *dst_cache; /* cached dst */
u32 dst_cookie;
};
/* Tunnel encapsulation limit destination sub-option */
struct ipv6_tlv_tnl_enc_lim {
__u8 type; /* type-code for option */
__u8 length; /* option length */
__u8 encap_limit; /* tunnel encapsulation limit */
} __packed;
#endif
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