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1da177e4 LT |
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 | |
d0087b29 VN |
12 | /* determine capability on a per-packet basis */ |
13 | #define IP6_TNL_F_CAP_PER_PACKET 0x40000 | |
1da177e4 | 14 | |
1da177e4 LT |
15 | /* IPv6 tunnel */ |
16 | ||
17 | struct ip6_tnl { | |
6f0bcf15 | 18 | struct ip6_tnl __rcu *next; /* next tunnel in list */ |
1da177e4 | 19 | struct net_device *dev; /* virtual device associated with tunnel */ |
f4ab2f72 | 20 | struct ip6_tnl_parm parms; /* tunnel configuration parameters */ |
1da177e4 LT |
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 */ | |
bc10502d | 32 | } __packed; |
1da177e4 LT |
33 | |
34 | #endif |