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