drivers/target/iscsi/iscsi_target_stat.h

   1 #ifndef ISCSI_TARGET_STAT_H
   2 #define ISCSI_TARGET_STAT_H
   3
   4 /*
   5  * For struct iscsi_tiqn->tiqn_wwn default groups
   6  */
   7 extern struct config_item_type iscsi_stat_instance_cit;
   8 extern struct config_item_type iscsi_stat_sess_err_cit;
   9 extern struct config_item_type iscsi_stat_tgt_attr_cit;
  10 extern struct config_item_type iscsi_stat_login_cit;
  11 extern struct config_item_type iscsi_stat_logout_cit;
  12
  13 /*
  14  * For struct iscsi_session->se_sess default groups
  15  */
  16 extern struct config_item_type iscsi_stat_sess_cit;
  17
  18 /* iSCSI session error types */
  19 #define ISCSI_SESS_ERR_UNKNOWN          0
  20 #define ISCSI_SESS_ERR_DIGEST           1
  21 #define ISCSI_SESS_ERR_CXN_TIMEOUT      2
  22 #define ISCSI_SESS_ERR_PDU_FORMAT       3
  23
  24 /* iSCSI session error stats */
  25 struct iscsi_sess_err_stats {
  26         spinlock_t      lock;
  27         u32             digest_errors;
  28         u32             cxn_timeout_errors;
  29         u32             pdu_format_errors;
  30         u32             last_sess_failure_type;
  31         char            last_sess_fail_rem_name[224];
  32 } ____cacheline_aligned;
  33
  34 /* iSCSI login failure types (sub oids) */
  35 #define ISCSI_LOGIN_FAIL_OTHER          2
  36 #define ISCSI_LOGIN_FAIL_REDIRECT       3
  37 #define ISCSI_LOGIN_FAIL_AUTHORIZE      4
  38 #define ISCSI_LOGIN_FAIL_AUTHENTICATE   5
  39 #define ISCSI_LOGIN_FAIL_NEGOTIATE      6
  40
  41 /* iSCSI login stats */
  42 struct iscsi_login_stats {
  43         spinlock_t      lock;
  44         u32             accepts;
  45         u32             other_fails;
  46         u32             redirects;
  47         u32             authorize_fails;
  48         u32             authenticate_fails;
  49         u32             negotiate_fails;        /* used for notifications */
  50         u64             last_fail_time;         /* time stamp (jiffies) */
  51         u32             last_fail_type;
  52         int             last_intr_fail_ip_family;
  53         unsigned char   last_intr_fail_ip_addr[IPV6_ADDRESS_SPACE];
  54         char            last_intr_fail_name[224];
  55 } ____cacheline_aligned;
  56
  57 /* iSCSI logout stats */
  58 struct iscsi_logout_stats {
  59         spinlock_t      lock;
  60         u32             normal_logouts;
  61         u32             abnormal_logouts;
  62 } ____cacheline_aligned;
  63
  64 #endif   /*** ISCSI_TARGET_STAT_H ***/