| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 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 __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 */ |
| 21 | u32 dst_cookie; |
| 22 | }; |
| 23 | |
| 24 | /* Tunnel encapsulation limit destination sub-option */ |
| 25 | |
| 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 */ |
| 30 | } __packed; |
| 31 | |
| 32 | #endif |