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Diffstat (limited to '')
| -rw-r--r-- | include/uapi/linux/if_tunnel.h | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/include/uapi/linux/if_tunnel.h b/include/uapi/linux/if_tunnel.h new file mode 100644 index 0000000..edaea41 --- /dev/null +++ b/include/uapi/linux/if_tunnel.h @@ -0,0 +1,185 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _IF_TUNNEL_H_ +#define _IF_TUNNEL_H_ + +#include <linux/types.h> +#include <linux/if.h> +#include <linux/ip.h> +#include <linux/in6.h> +#include <asm/byteorder.h> + + +#define SIOCGETTUNNEL (SIOCDEVPRIVATE + 0) +#define SIOCADDTUNNEL (SIOCDEVPRIVATE + 1) +#define SIOCDELTUNNEL (SIOCDEVPRIVATE + 2) +#define SIOCCHGTUNNEL (SIOCDEVPRIVATE + 3) +#define SIOCGETPRL (SIOCDEVPRIVATE + 4) +#define SIOCADDPRL (SIOCDEVPRIVATE + 5) +#define SIOCDELPRL (SIOCDEVPRIVATE + 6) +#define SIOCCHGPRL (SIOCDEVPRIVATE + 7) +#define SIOCGET6RD (SIOCDEVPRIVATE + 8) +#define SIOCADD6RD (SIOCDEVPRIVATE + 9) +#define SIOCDEL6RD (SIOCDEVPRIVATE + 10) +#define SIOCCHG6RD (SIOCDEVPRIVATE + 11) + +#define GRE_CSUM __cpu_to_be16(0x8000) +#define GRE_ROUTING __cpu_to_be16(0x4000) +#define GRE_KEY __cpu_to_be16(0x2000) +#define GRE_SEQ __cpu_to_be16(0x1000) +#define GRE_STRICT __cpu_to_be16(0x0800) +#define GRE_REC __cpu_to_be16(0x0700) +#define GRE_ACK __cpu_to_be16(0x0080) +#define GRE_FLAGS __cpu_to_be16(0x0078) +#define GRE_VERSION __cpu_to_be16(0x0007) + +#define GRE_IS_CSUM(f) ((f) & GRE_CSUM) +#define GRE_IS_ROUTING(f) ((f) & GRE_ROUTING) +#define GRE_IS_KEY(f) ((f) & GRE_KEY) +#define GRE_IS_SEQ(f) ((f) & GRE_SEQ) +#define GRE_IS_STRICT(f) ((f) & GRE_STRICT) +#define GRE_IS_REC(f) ((f) & GRE_REC) +#define GRE_IS_ACK(f) ((f) & GRE_ACK) + +#define GRE_VERSION_0 __cpu_to_be16(0x0000) +#define GRE_VERSION_1 __cpu_to_be16(0x0001) +#define GRE_PROTO_PPP __cpu_to_be16(0x880b) +#define GRE_PPTP_KEY_MASK __cpu_to_be32(0xffff) + +struct ip_tunnel_parm { + char name[IFNAMSIZ]; + int link; + __be16 i_flags; + __be16 o_flags; + __be32 i_key; + __be32 o_key; + struct iphdr iph; +}; + +enum { + IFLA_IPTUN_UNSPEC, + IFLA_IPTUN_LINK, + IFLA_IPTUN_LOCAL, + IFLA_IPTUN_REMOTE, + IFLA_IPTUN_TTL, + IFLA_IPTUN_TOS, + IFLA_IPTUN_ENCAP_LIMIT, + IFLA_IPTUN_FLOWINFO, + IFLA_IPTUN_FLAGS, + IFLA_IPTUN_PROTO, + IFLA_IPTUN_PMTUDISC, + IFLA_IPTUN_6RD_PREFIX, + IFLA_IPTUN_6RD_RELAY_PREFIX, + IFLA_IPTUN_6RD_PREFIXLEN, + IFLA_IPTUN_6RD_RELAY_PREFIXLEN, + IFLA_IPTUN_ENCAP_TYPE, + IFLA_IPTUN_ENCAP_FLAGS, + IFLA_IPTUN_ENCAP_SPORT, + IFLA_IPTUN_ENCAP_DPORT, + IFLA_IPTUN_COLLECT_METADATA, + IFLA_IPTUN_FWMARK, + __IFLA_IPTUN_MAX, +}; +#define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1) + +enum tunnel_encap_types { + TUNNEL_ENCAP_NONE, + TUNNEL_ENCAP_FOU, + TUNNEL_ENCAP_GUE, + TUNNEL_ENCAP_MPLS, +}; + +#define TUNNEL_ENCAP_FLAG_CSUM (1<<0) +#define TUNNEL_ENCAP_FLAG_CSUM6 (1<<1) +#define TUNNEL_ENCAP_FLAG_REMCSUM (1<<2) + +/* SIT-mode i_flags */ +#define SIT_ISATAP 0x0001 + +struct ip_tunnel_prl { + __be32 addr; + __u16 flags; + __u16 __reserved; + __u32 datalen; + __u32 __reserved2; + /* data follows */ +}; + +/* PRL flags */ +#define PRL_DEFAULT 0x0001 + +struct ip_tunnel_6rd { + struct in6_addr prefix; + __be32 relay_prefix; + __u16 prefixlen; + __u16 relay_prefixlen; +}; + +enum { + IFLA_GRE_UNSPEC, + IFLA_GRE_LINK, + IFLA_GRE_IFLAGS, + IFLA_GRE_OFLAGS, + IFLA_GRE_IKEY, + IFLA_GRE_OKEY, + IFLA_GRE_LOCAL, + IFLA_GRE_REMOTE, + IFLA_GRE_TTL, + IFLA_GRE_TOS, + IFLA_GRE_PMTUDISC, + IFLA_GRE_ENCAP_LIMIT, + IFLA_GRE_FLOWINFO, + IFLA_GRE_FLAGS, + IFLA_GRE_ENCAP_TYPE, + IFLA_GRE_ENCAP_FLAGS, + IFLA_GRE_ENCAP_SPORT, + IFLA_GRE_ENCAP_DPORT, + IFLA_GRE_COLLECT_METADATA, + IFLA_GRE_IGNORE_DF, + IFLA_GRE_FWMARK, + IFLA_GRE_ERSPAN_INDEX, + IFLA_GRE_ERSPAN_VER, + IFLA_GRE_ERSPAN_DIR, + IFLA_GRE_ERSPAN_HWID, + __IFLA_GRE_MAX, +}; + +#define IFLA_GRE_MAX (__IFLA_GRE_MAX - 1) + +/* VTI-mode i_flags */ +#define VTI_ISVTI ((__be16)0x0001) + +enum { + IFLA_VTI_UNSPEC, + IFLA_VTI_LINK, + IFLA_VTI_IKEY, + IFLA_VTI_OKEY, + IFLA_VTI_LOCAL, + IFLA_VTI_REMOTE, + IFLA_VTI_FWMARK, + __IFLA_VTI_MAX, +}; + +#define IFLA_VTI_MAX (__IFLA_VTI_MAX - 1) + +#define TUNNEL_CSUM __cpu_to_be16(0x01) +#define TUNNEL_ROUTING __cpu_to_be16(0x02) +#define TUNNEL_KEY __cpu_to_be16(0x04) +#define TUNNEL_SEQ __cpu_to_be16(0x08) +#define TUNNEL_STRICT __cpu_to_be16(0x10) +#define TUNNEL_REC __cpu_to_be16(0x20) +#define TUNNEL_VERSION __cpu_to_be16(0x40) +#define TUNNEL_NO_KEY __cpu_to_be16(0x80) +#define TUNNEL_DONT_FRAGMENT __cpu_to_be16(0x0100) +#define TUNNEL_OAM __cpu_to_be16(0x0200) +#define TUNNEL_CRIT_OPT __cpu_to_be16(0x0400) +#define TUNNEL_GENEVE_OPT __cpu_to_be16(0x0800) +#define TUNNEL_VXLAN_OPT __cpu_to_be16(0x1000) +#define TUNNEL_NOCACHE __cpu_to_be16(0x2000) +#define TUNNEL_ERSPAN_OPT __cpu_to_be16(0x4000) +#define TUNNEL_GTP_OPT __cpu_to_be16(0x8000) + +#define TUNNEL_OPTIONS_PRESENT \ + (TUNNEL_GENEVE_OPT | TUNNEL_VXLAN_OPT | TUNNEL_ERSPAN_OPT | \ + TUNNEL_GTP_OPT) + +#endif /* _IF_TUNNEL_H_ */ |