include/target/iscsi/iscsi_target_stat.h

   1 #ifndef ISCSI_TARGET_STAT_H
   2 #define ISCSI_TARGET_STAT_H
   3
   4 #include <linux/types.h>
   5 #include <linux/spinlock.h>
   6 #include <linux/socket.h>
   7
   8 /*
   9  * For struct iscsi_tiqn->tiqn_wwn default groups
  10  */
  11 extern struct config_item_type iscsi_stat_instance_cit;
  12 extern struct config_item_type iscsi_stat_sess_err_cit;
  13 extern struct config_item_type iscsi_stat_tgt_attr_cit;
  14 extern struct config_item_type iscsi_stat_login_cit;
  15 extern struct config_item_type iscsi_stat_logout_cit;
  16
  17 /*
  18  * For struct iscsi_session->se_sess default groups
  19  */
  20 extern struct config_item_type iscsi_stat_sess_cit;
  21
  22 /* iSCSI session error types */
  23 #define ISCSI_SESS_ERR_UNKNOWN          0
  24 #define ISCSI_SESS_ERR_DIGEST           1
  25 #define ISCSI_SESS_ERR_CXN_TIMEOUT      2
  26 #define ISCSI_SESS_ERR_PDU_FORMAT       3
  27
  28 /* iSCSI session error stats */
  29 struct iscsi_sess_err_stats {
  30         spinlock_t      lock;
  31         u32             digest_errors;
  32         u32             cxn_timeout_errors;
  33         u32             pdu_format_errors;
  34         u32             last_sess_failure_type;
  35         char            last_sess_fail_rem_name[224];
  36 } ____cacheline_aligned;
  37
  38 /* iSCSI login failure types (sub oids) */
  39 #define ISCSI_LOGIN_FAIL_OTHER          2
  40 #define ISCSI_LOGIN_FAIL_REDIRECT       3
  41 #define ISCSI_LOGIN_FAIL_AUTHORIZE      4
  42 #define ISCSI_LOGIN_FAIL_AUTHENTICATE   5
  43 #define ISCSI_LOGIN_FAIL_NEGOTIATE      6
  44
  45 /* iSCSI login stats */
  46 struct iscsi_login_stats {
  47         spinlock_t      lock;
  48         u32             accepts;
  49         u32             other_fails;
  50         u32             redirects;
  51         u32             authorize_fails;
  52         u32             authenticate_fails;
  53         u32             negotiate_fails;        /* used for notifications */
  54         u64             last_fail_time;         /* time stamp (jiffies) */
  55         u32             last_fail_type;
  56         int             last_intr_fail_ip_family;
  57         struct sockaddr_storage last_intr_fail_sockaddr;
  58         char            last_intr_fail_name[224];
  59 } ____cacheline_aligned;
  60
  61 /* iSCSI logout stats */
  62 struct iscsi_logout_stats {
  63         spinlock_t      lock;
  64         u32             normal_logouts;
  65         u32             abnormal_logouts;
  66 } ____cacheline_aligned;
  67
  68 #endif   /*** ISCSI_TARGET_STAT_H ***/