root/include/target/iscsi/iscsi_target_stat.h

INCLUDED FROM

   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  */
  12 extern const struct config_item_type iscsi_stat_instance_cit;
  13 extern const struct config_item_type iscsi_stat_sess_err_cit;
  14 extern const struct config_item_type iscsi_stat_tgt_attr_cit;
  15 extern const struct config_item_type iscsi_stat_login_cit;
  16 extern const struct config_item_type iscsi_stat_logout_cit;
  17 
  18 /*
  19  * For struct iscsi_session->se_sess default groups
  20  */
  21 extern 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 */
  30 struct 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 */
  47 struct 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 */
  63 struct 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 ***/