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linux_dsm_epyc7002/include/uapi/linux/pfkeyv2.h
Nicolas Dichtel d3623099d3 ipsec: add support of limited SA dump 
The goal of this patch is to allow userland to dump only a part of SA by
specifying a filter during the dump.
The kernel is in charge to filter SA, this avoids to generate useless netlink
traffic (it save also some cpu cycles). This is particularly useful when there
is a big number of SA set on the system.

Note that I removed the union in struct xfrm_state_walk to fix a problem on arm.
struct netlink_callback->args is defined as a array of 6 long and the first long
is used in xfrm code to flag the cb as initialized. Hence, we must have:
sizeof(struct xfrm_state_walk) <= sizeof(long) * 5.
With the union, it was false on arm (sizeof(struct xfrm_state_walk) was
sizeof(long) * 7), due to the padding.
In fact, whatever the arch is, this union seems useless, there will be always
padding after it. Removing it will not increase the size of this struct (and
reduce it on arm).

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2014-02-17 07:18:19 +01:00

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/* PF_KEY user interface, this is defined by rfc2367 so
* do not make arbitrary modifications or else this header
* file will not be compliant.
*/
#ifndef _LINUX_PFKEY2_H
#define _LINUX_PFKEY2_H
#include <linux/types.h>
#define PF_KEY_V2 2
#define PFKEYV2_REVISION 199806L
struct sadb_msg {
__u8 sadb_msg_version;
__u8 sadb_msg_type;
__u8 sadb_msg_errno;
__u8 sadb_msg_satype;
__u16 sadb_msg_len;
__u16 sadb_msg_reserved;
__u32 sadb_msg_seq;
__u32 sadb_msg_pid;
} __attribute__((packed));
/* sizeof(struct sadb_msg) == 16 */
struct sadb_ext {
__u16 sadb_ext_len;
__u16 sadb_ext_type;
} __attribute__((packed));
/* sizeof(struct sadb_ext) == 4 */
struct sadb_sa {
__u16 sadb_sa_len;
__u16 sadb_sa_exttype;
__be32 sadb_sa_spi;
__u8 sadb_sa_replay;
__u8 sadb_sa_state;
__u8 sadb_sa_auth;
__u8 sadb_sa_encrypt;
__u32 sadb_sa_flags;
} __attribute__((packed));
/* sizeof(struct sadb_sa) == 16 */
struct sadb_lifetime {
__u16 sadb_lifetime_len;
__u16 sadb_lifetime_exttype;
__u32 sadb_lifetime_allocations;
__u64 sadb_lifetime_bytes;
__u64 sadb_lifetime_addtime;
__u64 sadb_lifetime_usetime;
} __attribute__((packed));
/* sizeof(struct sadb_lifetime) == 32 */
struct sadb_address {
__u16 sadb_address_len;
__u16 sadb_address_exttype;
__u8 sadb_address_proto;
__u8 sadb_address_prefixlen;
__u16 sadb_address_reserved;
} __attribute__((packed));
/* sizeof(struct sadb_address) == 8 */
struct sadb_key {
__u16 sadb_key_len;
__u16 sadb_key_exttype;
__u16 sadb_key_bits;
__u16 sadb_key_reserved;
} __attribute__((packed));
/* sizeof(struct sadb_key) == 8 */
struct sadb_ident {
__u16 sadb_ident_len;
__u16 sadb_ident_exttype;
__u16 sadb_ident_type;
__u16 sadb_ident_reserved;
__u64 sadb_ident_id;
} __attribute__((packed));
/* sizeof(struct sadb_ident) == 16 */
struct sadb_sens {
__u16 sadb_sens_len;
__u16 sadb_sens_exttype;
__u32 sadb_sens_dpd;
__u8 sadb_sens_sens_level;
__u8 sadb_sens_sens_len;
__u8 sadb_sens_integ_level;
__u8 sadb_sens_integ_len;
__u32 sadb_sens_reserved;
} __attribute__((packed));
/* sizeof(struct sadb_sens) == 16 */
/* followed by:
__u64 sadb_sens_bitmap[sens_len];
__u64 sadb_integ_bitmap[integ_len]; */
struct sadb_prop {
__u16 sadb_prop_len;
__u16 sadb_prop_exttype;
__u8 sadb_prop_replay;
__u8 sadb_prop_reserved[3];
} __attribute__((packed));
/* sizeof(struct sadb_prop) == 8 */
/* followed by:
struct sadb_comb sadb_combs[(sadb_prop_len +
sizeof(__u64) - sizeof(struct sadb_prop)) /
sizeof(struct sadb_comb)]; */
struct sadb_comb {
__u8 sadb_comb_auth;
__u8 sadb_comb_encrypt;
__u16 sadb_comb_flags;
__u16 sadb_comb_auth_minbits;
__u16 sadb_comb_auth_maxbits;
__u16 sadb_comb_encrypt_minbits;
__u16 sadb_comb_encrypt_maxbits;
__u32 sadb_comb_reserved;
__u32 sadb_comb_soft_allocations;
__u32 sadb_comb_hard_allocations;
__u64 sadb_comb_soft_bytes;
__u64 sadb_comb_hard_bytes;
__u64 sadb_comb_soft_addtime;
__u64 sadb_comb_hard_addtime;
__u64 sadb_comb_soft_usetime;
__u64 sadb_comb_hard_usetime;
} __attribute__((packed));
/* sizeof(struct sadb_comb) == 72 */
struct sadb_supported {
__u16 sadb_supported_len;
__u16 sadb_supported_exttype;
__u32 sadb_supported_reserved;
} __attribute__((packed));
/* sizeof(struct sadb_supported) == 8 */
/* followed by:
struct sadb_alg sadb_algs[(sadb_supported_len +
sizeof(__u64) - sizeof(struct sadb_supported)) /
sizeof(struct sadb_alg)]; */
struct sadb_alg {
__u8 sadb_alg_id;
__u8 sadb_alg_ivlen;
__u16 sadb_alg_minbits;
__u16 sadb_alg_maxbits;
__u16 sadb_alg_reserved;
} __attribute__((packed));
/* sizeof(struct sadb_alg) == 8 */
struct sadb_spirange {
__u16 sadb_spirange_len;
__u16 sadb_spirange_exttype;
__u32 sadb_spirange_min;
__u32 sadb_spirange_max;
__u32 sadb_spirange_reserved;
} __attribute__((packed));
/* sizeof(struct sadb_spirange) == 16 */
struct sadb_x_kmprivate {
__u16 sadb_x_kmprivate_len;
__u16 sadb_x_kmprivate_exttype;
__u32 sadb_x_kmprivate_reserved;
} __attribute__((packed));
/* sizeof(struct sadb_x_kmprivate) == 8 */
struct sadb_x_sa2 {
__u16 sadb_x_sa2_len;
__u16 sadb_x_sa2_exttype;
__u8 sadb_x_sa2_mode;
__u8 sadb_x_sa2_reserved1;
__u16 sadb_x_sa2_reserved2;
__u32 sadb_x_sa2_sequence;
__u32 sadb_x_sa2_reqid;
} __attribute__((packed));
/* sizeof(struct sadb_x_sa2) == 16 */
struct sadb_x_policy {
__u16 sadb_x_policy_len;
__u16 sadb_x_policy_exttype;
__u16 sadb_x_policy_type;
__u8 sadb_x_policy_dir;
__u8 sadb_x_policy_reserved;
__u32 sadb_x_policy_id;
__u32 sadb_x_policy_priority;
} __attribute__((packed));
/* sizeof(struct sadb_x_policy) == 16 */
struct sadb_x_ipsecrequest {
__u16 sadb_x_ipsecrequest_len;
__u16 sadb_x_ipsecrequest_proto;
__u8 sadb_x_ipsecrequest_mode;
__u8 sadb_x_ipsecrequest_level;
__u16 sadb_x_ipsecrequest_reserved1;
__u32 sadb_x_ipsecrequest_reqid;
__u32 sadb_x_ipsecrequest_reserved2;
} __attribute__((packed));
/* sizeof(struct sadb_x_ipsecrequest) == 16 */
/* This defines the TYPE of Nat Traversal in use. Currently only one
* type of NAT-T is supported, draft-ietf-ipsec-udp-encaps-06
*/
struct sadb_x_nat_t_type {
__u16 sadb_x_nat_t_type_len;
__u16 sadb_x_nat_t_type_exttype;
__u8 sadb_x_nat_t_type_type;
__u8 sadb_x_nat_t_type_reserved[3];
} __attribute__((packed));
/* sizeof(struct sadb_x_nat_t_type) == 8 */
/* Pass a NAT Traversal port (Source or Dest port) */
struct sadb_x_nat_t_port {
__u16 sadb_x_nat_t_port_len;
__u16 sadb_x_nat_t_port_exttype;
__be16 sadb_x_nat_t_port_port;
__u16 sadb_x_nat_t_port_reserved;
} __attribute__((packed));
/* sizeof(struct sadb_x_nat_t_port) == 8 */
/* Generic LSM security context */
struct sadb_x_sec_ctx {
__u16 sadb_x_sec_len;
__u16 sadb_x_sec_exttype;
__u8 sadb_x_ctx_alg; /* LSMs: e.g., selinux == 1 */
__u8 sadb_x_ctx_doi;
__u16 sadb_x_ctx_len;
} __attribute__((packed));
/* sizeof(struct sadb_sec_ctx) = 8 */
/* Used by MIGRATE to pass addresses IKE will use to perform
* negotiation with the peer */
struct sadb_x_kmaddress {
__u16 sadb_x_kmaddress_len;
__u16 sadb_x_kmaddress_exttype;
__u32 sadb_x_kmaddress_reserved;
} __attribute__((packed));
/* sizeof(struct sadb_x_kmaddress) == 8 */
/* To specify the SA dump filter */
struct sadb_x_filter {
__u16 sadb_x_filter_len;
__u16 sadb_x_filter_exttype;
__u32 sadb_x_filter_saddr[4];
__u32 sadb_x_filter_daddr[4];
__u16 sadb_x_filter_family;
__u8 sadb_x_filter_splen;
__u8 sadb_x_filter_dplen;
} __attribute__((packed));
/* sizeof(struct sadb_x_filter) == 40 */
/* Message types */
#define SADB_RESERVED 0
#define SADB_GETSPI 1
#define SADB_UPDATE 2
#define SADB_ADD 3
#define SADB_DELETE 4
#define SADB_GET 5
#define SADB_ACQUIRE 6
#define SADB_REGISTER 7
#define SADB_EXPIRE 8
#define SADB_FLUSH 9
#define SADB_DUMP 10
#define SADB_X_PROMISC 11
#define SADB_X_PCHANGE 12
#define SADB_X_SPDUPDATE 13
#define SADB_X_SPDADD 14
#define SADB_X_SPDDELETE 15
#define SADB_X_SPDGET 16
#define SADB_X_SPDACQUIRE 17
#define SADB_X_SPDDUMP 18
#define SADB_X_SPDFLUSH 19
#define SADB_X_SPDSETIDX 20
#define SADB_X_SPDEXPIRE 21
#define SADB_X_SPDDELETE2 22
#define SADB_X_NAT_T_NEW_MAPPING 23
#define SADB_X_MIGRATE 24
#define SADB_MAX 24
/* Security Association flags */
#define SADB_SAFLAGS_PFS 1
#define SADB_SAFLAGS_NOPMTUDISC 0x20000000
#define SADB_SAFLAGS_DECAP_DSCP 0x40000000
#define SADB_SAFLAGS_NOECN 0x80000000
/* Security Association states */
#define SADB_SASTATE_LARVAL 0
#define SADB_SASTATE_MATURE 1
#define SADB_SASTATE_DYING 2
#define SADB_SASTATE_DEAD 3
#define SADB_SASTATE_MAX 3
/* Security Association types */
#define SADB_SATYPE_UNSPEC 0
#define SADB_SATYPE_AH 2
#define SADB_SATYPE_ESP 3
#define SADB_SATYPE_RSVP 5
#define SADB_SATYPE_OSPFV2 6
#define SADB_SATYPE_RIPV2 7
#define SADB_SATYPE_MIP 8
#define SADB_X_SATYPE_IPCOMP 9
#define SADB_SATYPE_MAX 9
/* Authentication algorithms */
#define SADB_AALG_NONE 0
#define SADB_AALG_MD5HMAC 2
#define SADB_AALG_SHA1HMAC 3
#define SADB_X_AALG_SHA2_256HMAC 5
#define SADB_X_AALG_SHA2_384HMAC 6
#define SADB_X_AALG_SHA2_512HMAC 7
#define SADB_X_AALG_RIPEMD160HMAC 8
#define SADB_X_AALG_AES_XCBC_MAC 9
#define SADB_X_AALG_NULL 251 /* kame */
#define SADB_AALG_MAX 251
/* Encryption algorithms */
#define SADB_EALG_NONE 0
#define SADB_EALG_DESCBC 2
#define SADB_EALG_3DESCBC 3
#define SADB_X_EALG_CASTCBC 6
#define SADB_X_EALG_BLOWFISHCBC 7
#define SADB_EALG_NULL 11
#define SADB_X_EALG_AESCBC 12
#define SADB_X_EALG_AESCTR 13
#define SADB_X_EALG_AES_CCM_ICV8 14
#define SADB_X_EALG_AES_CCM_ICV12 15
#define SADB_X_EALG_AES_CCM_ICV16 16
#define SADB_X_EALG_AES_GCM_ICV8 18
#define SADB_X_EALG_AES_GCM_ICV12 19
#define SADB_X_EALG_AES_GCM_ICV16 20
#define SADB_X_EALG_CAMELLIACBC 22
#define SADB_X_EALG_NULL_AES_GMAC 23
#define SADB_EALG_MAX 253 /* last EALG */
/* private allocations should use 249-255 (RFC2407) */
#define SADB_X_EALG_SERPENTCBC 252 /* draft-ietf-ipsec-ciph-aes-cbc-00 */
#define SADB_X_EALG_TWOFISHCBC 253 /* draft-ietf-ipsec-ciph-aes-cbc-00 */
/* Compression algorithms */
#define SADB_X_CALG_NONE 0
#define SADB_X_CALG_OUI 1
#define SADB_X_CALG_DEFLATE 2
#define SADB_X_CALG_LZS 3
#define SADB_X_CALG_LZJH 4
#define SADB_X_CALG_MAX 4
/* Extension Header values */
#define SADB_EXT_RESERVED 0
#define SADB_EXT_SA 1
#define SADB_EXT_LIFETIME_CURRENT 2
#define SADB_EXT_LIFETIME_HARD 3
#define SADB_EXT_LIFETIME_SOFT 4
#define SADB_EXT_ADDRESS_SRC 5
#define SADB_EXT_ADDRESS_DST 6
#define SADB_EXT_ADDRESS_PROXY 7
#define SADB_EXT_KEY_AUTH 8
#define SADB_EXT_KEY_ENCRYPT 9
#define SADB_EXT_IDENTITY_SRC 10
#define SADB_EXT_IDENTITY_DST 11
#define SADB_EXT_SENSITIVITY 12
#define SADB_EXT_PROPOSAL 13
#define SADB_EXT_SUPPORTED_AUTH 14
#define SADB_EXT_SUPPORTED_ENCRYPT 15
#define SADB_EXT_SPIRANGE 16
#define SADB_X_EXT_KMPRIVATE 17
#define SADB_X_EXT_POLICY 18
#define SADB_X_EXT_SA2 19
/* The next four entries are for setting up NAT Traversal */
#define SADB_X_EXT_NAT_T_TYPE 20
#define SADB_X_EXT_NAT_T_SPORT 21
#define SADB_X_EXT_NAT_T_DPORT 22
#define SADB_X_EXT_NAT_T_OA 23
#define SADB_X_EXT_SEC_CTX 24
/* Used with MIGRATE to pass @ to IKE for negotiation */
#define SADB_X_EXT_KMADDRESS 25
#define SADB_X_EXT_FILTER 26
#define SADB_EXT_MAX 26
/* Identity Extension values */
#define SADB_IDENTTYPE_RESERVED 0
#define SADB_IDENTTYPE_PREFIX 1
#define SADB_IDENTTYPE_FQDN 2
#define SADB_IDENTTYPE_USERFQDN 3
#define SADB_IDENTTYPE_MAX 3
#endif /* !(_LINUX_PFKEY2_H) */
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