rcu: remove all rcu head initializations, except on_stack initializations
[linux-2.6.git] / include / linux / if_tunnel.h
1 #ifndef _IF_TUNNEL_H_
2 #define _IF_TUNNEL_H_
3
4 #include <linux/types.h>
5 #include <asm/byteorder.h>
6
7 #ifdef __KERNEL__
8 #include <linux/ip.h>
9 #include <linux/in6.h>
10 #endif
11
12 #define SIOCGETTUNNEL   (SIOCDEVPRIVATE + 0)
13 #define SIOCADDTUNNEL   (SIOCDEVPRIVATE + 1)
14 #define SIOCDELTUNNEL   (SIOCDEVPRIVATE + 2)
15 #define SIOCCHGTUNNEL   (SIOCDEVPRIVATE + 3)
16 #define SIOCGETPRL      (SIOCDEVPRIVATE + 4)
17 #define SIOCADDPRL      (SIOCDEVPRIVATE + 5)
18 #define SIOCDELPRL      (SIOCDEVPRIVATE + 6)
19 #define SIOCCHGPRL      (SIOCDEVPRIVATE + 7)
20 #define SIOCGET6RD      (SIOCDEVPRIVATE + 8)
21 #define SIOCADD6RD      (SIOCDEVPRIVATE + 9)
22 #define SIOCDEL6RD      (SIOCDEVPRIVATE + 10)
23 #define SIOCCHG6RD      (SIOCDEVPRIVATE + 11)
24
25 #define GRE_CSUM        __cpu_to_be16(0x8000)
26 #define GRE_ROUTING     __cpu_to_be16(0x4000)
27 #define GRE_KEY         __cpu_to_be16(0x2000)
28 #define GRE_SEQ         __cpu_to_be16(0x1000)
29 #define GRE_STRICT      __cpu_to_be16(0x0800)
30 #define GRE_REC         __cpu_to_be16(0x0700)
31 #define GRE_FLAGS       __cpu_to_be16(0x00F8)
32 #define GRE_VERSION     __cpu_to_be16(0x0007)
33
34 struct ip_tunnel_parm {
35         char                    name[IFNAMSIZ];
36         int                     link;
37         __be16                  i_flags;
38         __be16                  o_flags;
39         __be32                  i_key;
40         __be32                  o_key;
41         struct iphdr            iph;
42 };
43
44 /* SIT-mode i_flags */
45 #define SIT_ISATAP      0x0001
46
47 struct ip_tunnel_prl {
48         __be32                  addr;
49         __u16                   flags;
50         __u16                   __reserved;
51         __u32                   datalen;
52         __u32                   __reserved2;
53         /* data follows */
54 };
55
56 /* PRL flags */
57 #define PRL_DEFAULT             0x0001
58
59 struct ip_tunnel_6rd {
60         struct in6_addr         prefix;
61         __be32                  relay_prefix;
62         __u16                   prefixlen;
63         __u16                   relay_prefixlen;
64 };
65
66 enum {
67         IFLA_GRE_UNSPEC,
68         IFLA_GRE_LINK,
69         IFLA_GRE_IFLAGS,
70         IFLA_GRE_OFLAGS,
71         IFLA_GRE_IKEY,
72         IFLA_GRE_OKEY,
73         IFLA_GRE_LOCAL,
74         IFLA_GRE_REMOTE,
75         IFLA_GRE_TTL,
76         IFLA_GRE_TOS,
77         IFLA_GRE_PMTUDISC,
78         __IFLA_GRE_MAX,
79 };
80
81 #define IFLA_GRE_MAX    (__IFLA_GRE_MAX - 1)
82
83 #endif /* _IF_TUNNEL_H_ */