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