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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/include/target/iscsi/iscsi_target_stat.h
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/* SPDX-License-Identifier: GPL-2.0 */

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#ifndef ISCSI_TARGET_STAT_H

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#define ISCSI_TARGET_STAT_H

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#include <linux/types.h>

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#include <linux/spinlock.h>

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#include <linux/socket.h>

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/*

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 * For struct iscsi_tiqn->tiqn_wwn default groups

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 */

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extern const struct config_item_type iscsi_stat_instance_cit;

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extern const struct config_item_type iscsi_stat_sess_err_cit;

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extern const struct config_item_type iscsi_stat_tgt_attr_cit;

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extern const struct config_item_type iscsi_stat_login_cit;

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extern const struct config_item_type iscsi_stat_logout_cit;

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/*

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 * For struct iscsi_session->se_sess default groups

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 */

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extern const struct config_item_type iscsi_stat_sess_cit;

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/* iSCSI session error types */

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#define ISCSI_SESS_ERR_UNKNOWN		0

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#define ISCSI_SESS_ERR_DIGEST		1

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#define ISCSI_SESS_ERR_CXN_TIMEOUT	2

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#define ISCSI_SESS_ERR_PDU_FORMAT	3

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/* iSCSI session error stats */

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struct iscsi_sess_err_stats {

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	spinlock_t	lock;

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	u32		digest_errors;

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	u32		cxn_timeout_errors;

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	u32		pdu_format_errors;

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	u32		last_sess_failure_type;

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	char		last_sess_fail_rem_name[ISCSI_IQN_LEN];

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} ____cacheline_aligned;

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/* iSCSI login failure types (sub oids) */

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#define ISCSI_LOGIN_FAIL_OTHER		2

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#define ISCSI_LOGIN_FAIL_REDIRECT	3

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#define ISCSI_LOGIN_FAIL_AUTHORIZE	4

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#define ISCSI_LOGIN_FAIL_AUTHENTICATE	5

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#define ISCSI_LOGIN_FAIL_NEGOTIATE	6

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/* iSCSI login stats */

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struct iscsi_login_stats {

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	spinlock_t	lock;

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	u32		accepts;

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	u32		other_fails;

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	u32		redirects;

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	u32		authorize_fails;

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	u32		authenticate_fails;

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	u32		negotiate_fails;	/* used for notifications */

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	u64		last_fail_time;		/* time stamp (jiffies) */

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	u32		last_fail_type;

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	int		last_intr_fail_ip_family;

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	struct sockaddr_storage last_intr_fail_sockaddr;

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	char		last_intr_fail_name[ISCSI_IQN_LEN];

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} ____cacheline_aligned;

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/* iSCSI logout stats */

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struct iscsi_logout_stats {

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	spinlock_t	lock;

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	u32		normal_logouts;

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	u32		abnormal_logouts;

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} ____cacheline_aligned;

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#endif   /*** ISCSI_TARGET_STAT_H ***/

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