/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_IF_TUNNEL_H_
#define _UAPI_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 ((__force __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)
#ifndef __KERNEL__
/* Historically, tunnel flags have been defined as __be16 and now there are
* no free bits left. It is strongly advised to switch the already existing
* userspace code to the new *_BIT definitions from down below, as __be16
* can't be simply cast to a wider type on LE systems. All new flags and
* code must use *_BIT only.
*/
#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
enum {
IP_TUNNEL_CSUM_BIT = 0U,
IP_TUNNEL_ROUTING_BIT,
IP_TUNNEL_KEY_BIT,
IP_TUNNEL_SEQ_BIT,
IP_TUNNEL_STRICT_BIT,
IP_TUNNEL_REC_BIT,
IP_TUNNEL_VERSION_BIT,
IP_TUNNEL_NO_KEY_BIT,
IP_TUNNEL_DONT_FRAGMENT_BIT,
IP_TUNNEL_OAM_BIT,
IP_TUNNEL_CRIT_OPT_BIT,
IP_TUNNEL_GENEVE_OPT_BIT, /* OPTIONS_PRESENT */
IP_TUNNEL_VXLAN_OPT_BIT, /* OPTIONS_PRESENT */
IP_TUNNEL_NOCACHE_BIT,
IP_TUNNEL_ERSPAN_OPT_BIT, /* OPTIONS_PRESENT */
IP_TUNNEL_GTP_OPT_BIT, /* OPTIONS_PRESENT */
IP_TUNNEL_VTI_BIT,
IP_TUNNEL_SIT_ISATAP_BIT = IP_TUNNEL_VTI_BIT,
/* Flags starting from here are not available via the old UAPI */
IP_TUNNEL_PFCP_OPT_BIT, /* OPTIONS_PRESENT */
__IP_TUNNEL_FLAG_NUM,
};
#endif /* _UAPI_IF_TUNNEL_H_ */
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