iscsi_target_stat.h

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#ifndef ISCSI_TARGET_STAT_H
#define ISCSI_TARGET_STAT_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;
    unsigned char   last_intr_fail_ip_addr[IPV6_ADDRESS_SPACE];
    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 ***/