1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef ISCSI_TARGET_STAT_H 3*4882a593Smuzhiyun #define ISCSI_TARGET_STAT_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <linux/types.h> 6*4882a593Smuzhiyun #include <linux/spinlock.h> 7*4882a593Smuzhiyun #include <linux/socket.h> 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun /* 10*4882a593Smuzhiyun * For struct iscsi_tiqn->tiqn_wwn default groups 11*4882a593Smuzhiyun */ 12*4882a593Smuzhiyun extern const struct config_item_type iscsi_stat_instance_cit; 13*4882a593Smuzhiyun extern const struct config_item_type iscsi_stat_sess_err_cit; 14*4882a593Smuzhiyun extern const struct config_item_type iscsi_stat_tgt_attr_cit; 15*4882a593Smuzhiyun extern const struct config_item_type iscsi_stat_login_cit; 16*4882a593Smuzhiyun extern const struct config_item_type iscsi_stat_logout_cit; 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun /* 19*4882a593Smuzhiyun * For struct iscsi_session->se_sess default groups 20*4882a593Smuzhiyun */ 21*4882a593Smuzhiyun extern const struct config_item_type iscsi_stat_sess_cit; 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun /* iSCSI session error types */ 24*4882a593Smuzhiyun #define ISCSI_SESS_ERR_UNKNOWN 0 25*4882a593Smuzhiyun #define ISCSI_SESS_ERR_DIGEST 1 26*4882a593Smuzhiyun #define ISCSI_SESS_ERR_CXN_TIMEOUT 2 27*4882a593Smuzhiyun #define ISCSI_SESS_ERR_PDU_FORMAT 3 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun /* iSCSI session error stats */ 30*4882a593Smuzhiyun struct iscsi_sess_err_stats { 31*4882a593Smuzhiyun spinlock_t lock; 32*4882a593Smuzhiyun u32 digest_errors; 33*4882a593Smuzhiyun u32 cxn_timeout_errors; 34*4882a593Smuzhiyun u32 pdu_format_errors; 35*4882a593Smuzhiyun u32 last_sess_failure_type; 36*4882a593Smuzhiyun char last_sess_fail_rem_name[ISCSI_IQN_LEN]; 37*4882a593Smuzhiyun } ____cacheline_aligned; 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun /* iSCSI login failure types (sub oids) */ 40*4882a593Smuzhiyun #define ISCSI_LOGIN_FAIL_OTHER 2 41*4882a593Smuzhiyun #define ISCSI_LOGIN_FAIL_REDIRECT 3 42*4882a593Smuzhiyun #define ISCSI_LOGIN_FAIL_AUTHORIZE 4 43*4882a593Smuzhiyun #define ISCSI_LOGIN_FAIL_AUTHENTICATE 5 44*4882a593Smuzhiyun #define ISCSI_LOGIN_FAIL_NEGOTIATE 6 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun /* iSCSI login stats */ 47*4882a593Smuzhiyun struct iscsi_login_stats { 48*4882a593Smuzhiyun spinlock_t lock; 49*4882a593Smuzhiyun u32 accepts; 50*4882a593Smuzhiyun u32 other_fails; 51*4882a593Smuzhiyun u32 redirects; 52*4882a593Smuzhiyun u32 authorize_fails; 53*4882a593Smuzhiyun u32 authenticate_fails; 54*4882a593Smuzhiyun u32 negotiate_fails; /* used for notifications */ 55*4882a593Smuzhiyun u64 last_fail_time; /* time stamp (jiffies) */ 56*4882a593Smuzhiyun u32 last_fail_type; 57*4882a593Smuzhiyun int last_intr_fail_ip_family; 58*4882a593Smuzhiyun struct sockaddr_storage last_intr_fail_sockaddr; 59*4882a593Smuzhiyun char last_intr_fail_name[ISCSI_IQN_LEN]; 60*4882a593Smuzhiyun } ____cacheline_aligned; 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun /* iSCSI logout stats */ 63*4882a593Smuzhiyun struct iscsi_logout_stats { 64*4882a593Smuzhiyun spinlock_t lock; 65*4882a593Smuzhiyun u32 normal_logouts; 66*4882a593Smuzhiyun u32 abnormal_logouts; 67*4882a593Smuzhiyun } ____cacheline_aligned; 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun #endif /*** ISCSI_TARGET_STAT_H ***/ 70