1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef ISCSI_TARGET_STAT_H
3#define ISCSI_TARGET_STAT_H
4
5#include <linux/types.h>
6#include <linux/spinlock.h>
7#include <linux/socket.h>
8
9/*
10 * For struct iscsi_tiqn->tiqn_wwn default groups
11 */
12extern const struct config_item_type iscsi_stat_instance_cit;
13extern const struct config_item_type iscsi_stat_sess_err_cit;
14extern const struct config_item_type iscsi_stat_tgt_attr_cit;
15extern const struct config_item_type iscsi_stat_login_cit;
16extern const struct config_item_type iscsi_stat_logout_cit;
17
18/*
19 * For struct iscsi_session->se_sess default groups
20 */
21extern const struct config_item_type iscsi_stat_sess_cit;
22
23/* iSCSI session error types */
24#define ISCSI_SESS_ERR_UNKNOWN		0
25#define ISCSI_SESS_ERR_DIGEST		1
26#define ISCSI_SESS_ERR_CXN_TIMEOUT	2
27#define ISCSI_SESS_ERR_PDU_FORMAT	3
28
29/* iSCSI session error stats */
30struct iscsi_sess_err_stats {
31	spinlock_t	lock;
32	u32		digest_errors;
33	u32		cxn_timeout_errors;
34	u32		pdu_format_errors;
35	u32		last_sess_failure_type;
36	char		last_sess_fail_rem_name[ISCSI_IQN_LEN];
37} ____cacheline_aligned;
38
39/* iSCSI login failure types (sub oids) */
40#define ISCSI_LOGIN_FAIL_OTHER		2
41#define ISCSI_LOGIN_FAIL_REDIRECT	3
42#define ISCSI_LOGIN_FAIL_AUTHORIZE	4
43#define ISCSI_LOGIN_FAIL_AUTHENTICATE	5
44#define ISCSI_LOGIN_FAIL_NEGOTIATE	6
45
46/* iSCSI login stats */
47struct iscsi_login_stats {
48	spinlock_t	lock;
49	u32		accepts;
50	u32		other_fails;
51	u32		redirects;
52	u32		authorize_fails;
53	u32		authenticate_fails;
54	u32		negotiate_fails;	/* used for notifications */
55	u64		last_fail_time;		/* time stamp (jiffies) */
56	u32		last_fail_type;
57	int		last_intr_fail_ip_family;
58	struct sockaddr_storage last_intr_fail_sockaddr;
59	char		last_intr_fail_name[ISCSI_IQN_LEN];
60} ____cacheline_aligned;
61
62/* iSCSI logout stats */
63struct iscsi_logout_stats {
64	spinlock_t	lock;
65	u32		normal_logouts;
66	u32		abnormal_logouts;
67} ____cacheline_aligned;
68
69#endif   /*** ISCSI_TARGET_STAT_H ***/
70