222 lines
5.5 KiB
C
222 lines
5.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _UAPI_IF_TUNNEL_H_
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#define _UAPI_IF_TUNNEL_H_
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#include <linux/types.h>
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#include <linux/if.h>
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#include <linux/ip.h>
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#include <linux/in6.h>
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#include <asm/byteorder.h>
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#define SIOCGETTUNNEL (SIOCDEVPRIVATE + 0)
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#define SIOCADDTUNNEL (SIOCDEVPRIVATE + 1)
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#define SIOCDELTUNNEL (SIOCDEVPRIVATE + 2)
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#define SIOCCHGTUNNEL (SIOCDEVPRIVATE + 3)
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#define SIOCGETPRL (SIOCDEVPRIVATE + 4)
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#define SIOCADDPRL (SIOCDEVPRIVATE + 5)
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#define SIOCDELPRL (SIOCDEVPRIVATE + 6)
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#define SIOCCHGPRL (SIOCDEVPRIVATE + 7)
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#define SIOCGET6RD (SIOCDEVPRIVATE + 8)
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#define SIOCADD6RD (SIOCDEVPRIVATE + 9)
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#define SIOCDEL6RD (SIOCDEVPRIVATE + 10)
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#define SIOCCHG6RD (SIOCDEVPRIVATE + 11)
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#define GRE_CSUM __cpu_to_be16(0x8000)
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#define GRE_ROUTING __cpu_to_be16(0x4000)
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#define GRE_KEY __cpu_to_be16(0x2000)
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#define GRE_SEQ __cpu_to_be16(0x1000)
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#define GRE_STRICT __cpu_to_be16(0x0800)
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#define GRE_REC __cpu_to_be16(0x0700)
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#define GRE_ACK __cpu_to_be16(0x0080)
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#define GRE_FLAGS __cpu_to_be16(0x0078)
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#define GRE_VERSION __cpu_to_be16(0x0007)
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#define GRE_IS_CSUM(f) ((f) & GRE_CSUM)
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#define GRE_IS_ROUTING(f) ((f) & GRE_ROUTING)
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#define GRE_IS_KEY(f) ((f) & GRE_KEY)
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#define GRE_IS_SEQ(f) ((f) & GRE_SEQ)
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#define GRE_IS_STRICT(f) ((f) & GRE_STRICT)
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#define GRE_IS_REC(f) ((f) & GRE_REC)
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#define GRE_IS_ACK(f) ((f) & GRE_ACK)
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#define GRE_VERSION_0 __cpu_to_be16(0x0000)
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#define GRE_VERSION_1 __cpu_to_be16(0x0001)
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#define GRE_PROTO_PPP __cpu_to_be16(0x880b)
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#define GRE_PPTP_KEY_MASK __cpu_to_be32(0xffff)
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struct ip_tunnel_parm {
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char name[IFNAMSIZ];
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int link;
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__be16 i_flags;
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__be16 o_flags;
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__be32 i_key;
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__be32 o_key;
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struct iphdr iph;
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};
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enum {
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IFLA_IPTUN_UNSPEC,
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IFLA_IPTUN_LINK,
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IFLA_IPTUN_LOCAL,
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IFLA_IPTUN_REMOTE,
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IFLA_IPTUN_TTL,
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IFLA_IPTUN_TOS,
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IFLA_IPTUN_ENCAP_LIMIT,
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IFLA_IPTUN_FLOWINFO,
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IFLA_IPTUN_FLAGS,
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IFLA_IPTUN_PROTO,
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IFLA_IPTUN_PMTUDISC,
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IFLA_IPTUN_6RD_PREFIX,
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IFLA_IPTUN_6RD_RELAY_PREFIX,
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IFLA_IPTUN_6RD_PREFIXLEN,
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IFLA_IPTUN_6RD_RELAY_PREFIXLEN,
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IFLA_IPTUN_ENCAP_TYPE,
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IFLA_IPTUN_ENCAP_FLAGS,
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IFLA_IPTUN_ENCAP_SPORT,
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IFLA_IPTUN_ENCAP_DPORT,
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IFLA_IPTUN_COLLECT_METADATA,
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IFLA_IPTUN_FWMARK,
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__IFLA_IPTUN_MAX,
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};
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#define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1)
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enum tunnel_encap_types {
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TUNNEL_ENCAP_NONE,
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TUNNEL_ENCAP_FOU,
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TUNNEL_ENCAP_GUE,
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TUNNEL_ENCAP_MPLS,
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};
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#define TUNNEL_ENCAP_FLAG_CSUM (1<<0)
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#define TUNNEL_ENCAP_FLAG_CSUM6 (1<<1)
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#define TUNNEL_ENCAP_FLAG_REMCSUM (1<<2)
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/* SIT-mode i_flags */
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#define SIT_ISATAP 0x0001
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struct ip_tunnel_prl {
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__be32 addr;
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__u16 flags;
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__u16 __reserved;
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__u32 datalen;
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__u32 __reserved2;
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/* data follows */
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};
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/* PRL flags */
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#define PRL_DEFAULT 0x0001
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struct ip_tunnel_6rd {
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struct in6_addr prefix;
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__be32 relay_prefix;
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__u16 prefixlen;
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__u16 relay_prefixlen;
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};
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enum {
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IFLA_GRE_UNSPEC,
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IFLA_GRE_LINK,
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IFLA_GRE_IFLAGS,
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IFLA_GRE_OFLAGS,
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IFLA_GRE_IKEY,
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IFLA_GRE_OKEY,
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IFLA_GRE_LOCAL,
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IFLA_GRE_REMOTE,
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IFLA_GRE_TTL,
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IFLA_GRE_TOS,
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IFLA_GRE_PMTUDISC,
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IFLA_GRE_ENCAP_LIMIT,
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IFLA_GRE_FLOWINFO,
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IFLA_GRE_FLAGS,
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IFLA_GRE_ENCAP_TYPE,
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IFLA_GRE_ENCAP_FLAGS,
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IFLA_GRE_ENCAP_SPORT,
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IFLA_GRE_ENCAP_DPORT,
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IFLA_GRE_COLLECT_METADATA,
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IFLA_GRE_IGNORE_DF,
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IFLA_GRE_FWMARK,
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IFLA_GRE_ERSPAN_INDEX,
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IFLA_GRE_ERSPAN_VER,
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IFLA_GRE_ERSPAN_DIR,
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IFLA_GRE_ERSPAN_HWID,
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__IFLA_GRE_MAX,
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};
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#define IFLA_GRE_MAX (__IFLA_GRE_MAX - 1)
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/* VTI-mode i_flags */
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#define VTI_ISVTI ((__force __be16)0x0001)
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enum {
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IFLA_VTI_UNSPEC,
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IFLA_VTI_LINK,
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IFLA_VTI_IKEY,
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IFLA_VTI_OKEY,
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IFLA_VTI_LOCAL,
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IFLA_VTI_REMOTE,
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IFLA_VTI_FWMARK,
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__IFLA_VTI_MAX,
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};
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#define IFLA_VTI_MAX (__IFLA_VTI_MAX - 1)
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#ifndef __KERNEL__
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/* Historically, tunnel flags have been defined as __be16 and now there are
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* no free bits left. It is strongly advised to switch the already existing
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* userspace code to the new *_BIT definitions from down below, as __be16
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* can't be simply cast to a wider type on LE systems. All new flags and
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* code must use *_BIT only.
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*/
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#define TUNNEL_CSUM __cpu_to_be16(0x01)
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#define TUNNEL_ROUTING __cpu_to_be16(0x02)
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#define TUNNEL_KEY __cpu_to_be16(0x04)
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#define TUNNEL_SEQ __cpu_to_be16(0x08)
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#define TUNNEL_STRICT __cpu_to_be16(0x10)
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#define TUNNEL_REC __cpu_to_be16(0x20)
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#define TUNNEL_VERSION __cpu_to_be16(0x40)
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#define TUNNEL_NO_KEY __cpu_to_be16(0x80)
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#define TUNNEL_DONT_FRAGMENT __cpu_to_be16(0x0100)
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#define TUNNEL_OAM __cpu_to_be16(0x0200)
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#define TUNNEL_CRIT_OPT __cpu_to_be16(0x0400)
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#define TUNNEL_GENEVE_OPT __cpu_to_be16(0x0800)
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#define TUNNEL_VXLAN_OPT __cpu_to_be16(0x1000)
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#define TUNNEL_NOCACHE __cpu_to_be16(0x2000)
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#define TUNNEL_ERSPAN_OPT __cpu_to_be16(0x4000)
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#define TUNNEL_GTP_OPT __cpu_to_be16(0x8000)
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#define TUNNEL_OPTIONS_PRESENT \
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(TUNNEL_GENEVE_OPT | TUNNEL_VXLAN_OPT | TUNNEL_ERSPAN_OPT | \
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TUNNEL_GTP_OPT)
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#endif
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enum {
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IP_TUNNEL_CSUM_BIT = 0U,
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IP_TUNNEL_ROUTING_BIT,
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IP_TUNNEL_KEY_BIT,
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IP_TUNNEL_SEQ_BIT,
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IP_TUNNEL_STRICT_BIT,
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IP_TUNNEL_REC_BIT,
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IP_TUNNEL_VERSION_BIT,
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IP_TUNNEL_NO_KEY_BIT,
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IP_TUNNEL_DONT_FRAGMENT_BIT,
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IP_TUNNEL_OAM_BIT,
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IP_TUNNEL_CRIT_OPT_BIT,
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IP_TUNNEL_GENEVE_OPT_BIT, /* OPTIONS_PRESENT */
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IP_TUNNEL_VXLAN_OPT_BIT, /* OPTIONS_PRESENT */
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IP_TUNNEL_NOCACHE_BIT,
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IP_TUNNEL_ERSPAN_OPT_BIT, /* OPTIONS_PRESENT */
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IP_TUNNEL_GTP_OPT_BIT, /* OPTIONS_PRESENT */
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IP_TUNNEL_VTI_BIT,
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IP_TUNNEL_SIT_ISATAP_BIT = IP_TUNNEL_VTI_BIT,
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/* Flags starting from here are not available via the old UAPI */
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IP_TUNNEL_PFCP_OPT_BIT, /* OPTIONS_PRESENT */
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__IP_TUNNEL_FLAG_NUM,
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};
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#endif /* _UAPI_IF_TUNNEL_H_ */
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