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