cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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if_tunnel.h (4602B)

      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2#ifndef _UAPI_IF_TUNNEL_H_
      3#define _UAPI_IF_TUNNEL_H_
      4
      5#include <linux/types.h>
      6#include <linux/if.h>
      7#include <linux/ip.h>
      8#include <linux/in6.h>
      9#include <asm/byteorder.h>
     10
     11
     12#define SIOCGETTUNNEL   (SIOCDEVPRIVATE + 0)
     13#define SIOCADDTUNNEL   (SIOCDEVPRIVATE + 1)
     14#define SIOCDELTUNNEL   (SIOCDEVPRIVATE + 2)
     15#define SIOCCHGTUNNEL   (SIOCDEVPRIVATE + 3)
     16#define SIOCGETPRL      (SIOCDEVPRIVATE + 4)
     17#define SIOCADDPRL      (SIOCDEVPRIVATE + 5)
     18#define SIOCDELPRL      (SIOCDEVPRIVATE + 6)
     19#define SIOCCHGPRL      (SIOCDEVPRIVATE + 7)
     20#define SIOCGET6RD      (SIOCDEVPRIVATE + 8)
     21#define SIOCADD6RD      (SIOCDEVPRIVATE + 9)
     22#define SIOCDEL6RD      (SIOCDEVPRIVATE + 10)
     23#define SIOCCHG6RD      (SIOCDEVPRIVATE + 11)
     24
     25#define GRE_CSUM	__cpu_to_be16(0x8000)
     26#define GRE_ROUTING	__cpu_to_be16(0x4000)
     27#define GRE_KEY		__cpu_to_be16(0x2000)
     28#define GRE_SEQ		__cpu_to_be16(0x1000)
     29#define GRE_STRICT	__cpu_to_be16(0x0800)
     30#define GRE_REC		__cpu_to_be16(0x0700)
     31#define GRE_ACK		__cpu_to_be16(0x0080)
     32#define GRE_FLAGS	__cpu_to_be16(0x0078)
     33#define GRE_VERSION	__cpu_to_be16(0x0007)
     34
     35#define GRE_IS_CSUM(f)		((f) & GRE_CSUM)
     36#define GRE_IS_ROUTING(f)	((f) & GRE_ROUTING)
     37#define GRE_IS_KEY(f)		((f) & GRE_KEY)
     38#define GRE_IS_SEQ(f)		((f) & GRE_SEQ)
     39#define GRE_IS_STRICT(f)	((f) & GRE_STRICT)
     40#define GRE_IS_REC(f)		((f) & GRE_REC)
     41#define GRE_IS_ACK(f)		((f) & GRE_ACK)
     42
     43#define GRE_VERSION_0		__cpu_to_be16(0x0000)
     44#define GRE_VERSION_1		__cpu_to_be16(0x0001)
     45#define GRE_PROTO_PPP		__cpu_to_be16(0x880b)
     46#define GRE_PPTP_KEY_MASK	__cpu_to_be32(0xffff)
     47
     48struct ip_tunnel_parm {
     49	char			name[IFNAMSIZ];
     50	int			link;
     51	__be16			i_flags;
     52	__be16			o_flags;
     53	__be32			i_key;
     54	__be32			o_key;
     55	struct iphdr		iph;
     56};
     57
     58enum {
     59	IFLA_IPTUN_UNSPEC,
     60	IFLA_IPTUN_LINK,
     61	IFLA_IPTUN_LOCAL,
     62	IFLA_IPTUN_REMOTE,
     63	IFLA_IPTUN_TTL,
     64	IFLA_IPTUN_TOS,
     65	IFLA_IPTUN_ENCAP_LIMIT,
     66	IFLA_IPTUN_FLOWINFO,
     67	IFLA_IPTUN_FLAGS,
     68	IFLA_IPTUN_PROTO,
     69	IFLA_IPTUN_PMTUDISC,
     70	IFLA_IPTUN_6RD_PREFIX,
     71	IFLA_IPTUN_6RD_RELAY_PREFIX,
     72	IFLA_IPTUN_6RD_PREFIXLEN,
     73	IFLA_IPTUN_6RD_RELAY_PREFIXLEN,
     74	IFLA_IPTUN_ENCAP_TYPE,
     75	IFLA_IPTUN_ENCAP_FLAGS,
     76	IFLA_IPTUN_ENCAP_SPORT,
     77	IFLA_IPTUN_ENCAP_DPORT,
     78	IFLA_IPTUN_COLLECT_METADATA,
     79	IFLA_IPTUN_FWMARK,
     80	__IFLA_IPTUN_MAX,
     81};
     82#define IFLA_IPTUN_MAX	(__IFLA_IPTUN_MAX - 1)
     83
     84enum tunnel_encap_types {
     85	TUNNEL_ENCAP_NONE,
     86	TUNNEL_ENCAP_FOU,
     87	TUNNEL_ENCAP_GUE,
     88	TUNNEL_ENCAP_MPLS,
     89};
     90
     91#define TUNNEL_ENCAP_FLAG_CSUM		(1<<0)
     92#define TUNNEL_ENCAP_FLAG_CSUM6		(1<<1)
     93#define TUNNEL_ENCAP_FLAG_REMCSUM	(1<<2)
     94
     95/* SIT-mode i_flags */
     96#define	SIT_ISATAP	0x0001
     97
     98struct ip_tunnel_prl {
     99	__be32			addr;
    100	__u16			flags;
    101	__u16			__reserved;
    102	__u32			datalen;
    103	__u32			__reserved2;
    104	/* data follows */
    105};
    106
    107/* PRL flags */
    108#define	PRL_DEFAULT		0x0001
    109
    110struct ip_tunnel_6rd {
    111	struct in6_addr		prefix;
    112	__be32			relay_prefix;
    113	__u16			prefixlen;
    114	__u16			relay_prefixlen;
    115};
    116
    117enum {
    118	IFLA_GRE_UNSPEC,
    119	IFLA_GRE_LINK,
    120	IFLA_GRE_IFLAGS,
    121	IFLA_GRE_OFLAGS,
    122	IFLA_GRE_IKEY,
    123	IFLA_GRE_OKEY,
    124	IFLA_GRE_LOCAL,
    125	IFLA_GRE_REMOTE,
    126	IFLA_GRE_TTL,
    127	IFLA_GRE_TOS,
    128	IFLA_GRE_PMTUDISC,
    129	IFLA_GRE_ENCAP_LIMIT,
    130	IFLA_GRE_FLOWINFO,
    131	IFLA_GRE_FLAGS,
    132	IFLA_GRE_ENCAP_TYPE,
    133	IFLA_GRE_ENCAP_FLAGS,
    134	IFLA_GRE_ENCAP_SPORT,
    135	IFLA_GRE_ENCAP_DPORT,
    136	IFLA_GRE_COLLECT_METADATA,
    137	IFLA_GRE_IGNORE_DF,
    138	IFLA_GRE_FWMARK,
    139	IFLA_GRE_ERSPAN_INDEX,
    140	IFLA_GRE_ERSPAN_VER,
    141	IFLA_GRE_ERSPAN_DIR,
    142	IFLA_GRE_ERSPAN_HWID,
    143	__IFLA_GRE_MAX,
    144};
    145
    146#define IFLA_GRE_MAX	(__IFLA_GRE_MAX - 1)
    147
    148/* VTI-mode i_flags */
    149#define VTI_ISVTI ((__force __be16)0x0001)
    150
    151enum {
    152	IFLA_VTI_UNSPEC,
    153	IFLA_VTI_LINK,
    154	IFLA_VTI_IKEY,
    155	IFLA_VTI_OKEY,
    156	IFLA_VTI_LOCAL,
    157	IFLA_VTI_REMOTE,
    158	IFLA_VTI_FWMARK,
    159	__IFLA_VTI_MAX,
    160};
    161
    162#define IFLA_VTI_MAX	(__IFLA_VTI_MAX - 1)
    163
    164#define TUNNEL_CSUM		__cpu_to_be16(0x01)
    165#define TUNNEL_ROUTING		__cpu_to_be16(0x02)
    166#define TUNNEL_KEY		__cpu_to_be16(0x04)
    167#define TUNNEL_SEQ		__cpu_to_be16(0x08)
    168#define TUNNEL_STRICT		__cpu_to_be16(0x10)
    169#define TUNNEL_REC		__cpu_to_be16(0x20)
    170#define TUNNEL_VERSION		__cpu_to_be16(0x40)
    171#define TUNNEL_NO_KEY		__cpu_to_be16(0x80)
    172#define TUNNEL_DONT_FRAGMENT    __cpu_to_be16(0x0100)
    173#define TUNNEL_OAM		__cpu_to_be16(0x0200)
    174#define TUNNEL_CRIT_OPT		__cpu_to_be16(0x0400)
    175#define TUNNEL_GENEVE_OPT	__cpu_to_be16(0x0800)
    176#define TUNNEL_VXLAN_OPT	__cpu_to_be16(0x1000)
    177#define TUNNEL_NOCACHE		__cpu_to_be16(0x2000)
    178#define TUNNEL_ERSPAN_OPT	__cpu_to_be16(0x4000)
    179#define TUNNEL_GTP_OPT		__cpu_to_be16(0x8000)
    180
    181#define TUNNEL_OPTIONS_PRESENT \
    182		(TUNNEL_GENEVE_OPT | TUNNEL_VXLAN_OPT | TUNNEL_ERSPAN_OPT | \
    183		TUNNEL_GTP_OPT)
    184
    185#endif /* _UAPI_IF_TUNNEL_H_ */