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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ISCSI_TARGET_STAT_H
#define ISCSI_TARGET_STAT_H
#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/socket.h>
/*
* For struct iscsi_tiqn->tiqn_wwn default groups
*/
extern struct config_item_type iscsi_stat_instance_cit;
extern struct config_item_type iscsi_stat_sess_err_cit;
extern struct config_item_type iscsi_stat_tgt_attr_cit;
extern struct config_item_type iscsi_stat_login_cit;
extern struct config_item_type iscsi_stat_logout_cit;
/*
* For struct iscsi_session->se_sess default groups
*/
extern struct config_item_type iscsi_stat_sess_cit;
/* iSCSI session error types */
#define ISCSI_SESS_ERR_UNKNOWN 0
#define ISCSI_SESS_ERR_DIGEST 1
#define ISCSI_SESS_ERR_CXN_TIMEOUT 2
#define ISCSI_SESS_ERR_PDU_FORMAT 3
/* iSCSI session error stats */
struct iscsi_sess_err_stats {
spinlock_t lock;
u32 digest_errors;
u32 cxn_timeout_errors;
u32 pdu_format_errors;
u32 last_sess_failure_type;
char last_sess_fail_rem_name[224];
} ____cacheline_aligned;
/* iSCSI login failure types (sub oids) */
#define ISCSI_LOGIN_FAIL_OTHER 2
#define ISCSI_LOGIN_FAIL_REDIRECT 3
#define ISCSI_LOGIN_FAIL_AUTHORIZE 4
#define ISCSI_LOGIN_FAIL_AUTHENTICATE 5
#define ISCSI_LOGIN_FAIL_NEGOTIATE 6
/* iSCSI login stats */
struct iscsi_login_stats {
spinlock_t lock;
u32 accepts;
u32 other_fails;
u32 redirects;
u32 authorize_fails;
u32 authenticate_fails;
u32 negotiate_fails; /* used for notifications */
u64 last_fail_time; /* time stamp (jiffies) */
u32 last_fail_type;
int last_intr_fail_ip_family;
struct sockaddr_storage last_intr_fail_sockaddr;
char last_intr_fail_name[224];
} ____cacheline_aligned;
/* iSCSI logout stats */
struct iscsi_logout_stats {
spinlock_t lock;
u32 normal_logouts;
u32 abnormal_logouts;
} ____cacheline_aligned;
#endif /*** ISCSI_TARGET_STAT_H ***/
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