Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 69 insertions, 0 deletions

diff --git a/include/target/iscsi/iscsi_target_stat.h b/include/target/iscsi/iscsi_target_stat.h
new file mode 100644
index 000000000..4d75a2c42
--- /dev/null
+++ b/include/target/iscsi/iscsi_target_stat.h
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef ISCSI_TARGET_STAT_H
+#define ISCSI_TARGET_STAT_H
+
+#include <linux/types.h>
+#include <linux/spinlock.h>
+#include <linux/socket.h>
+
+/*
+ * For struct iscsi_tiqn->tiqn_wwn default groups
+ */
+extern const struct config_item_type iscsi_stat_instance_cit;
+extern const struct config_item_type iscsi_stat_sess_err_cit;
+extern const struct config_item_type iscsi_stat_tgt_attr_cit;
+extern const struct config_item_type iscsi_stat_login_cit;
+extern const struct config_item_type iscsi_stat_logout_cit;
+
+/*
+ * For struct iscsi_session->se_sess default groups
+ */
+extern const struct config_item_type iscsi_stat_sess_cit;
+
+/* iSCSI session error types */
+#define ISCSI_SESS_ERR_UNKNOWN		0
+#define ISCSI_SESS_ERR_DIGEST		1
+#define ISCSI_SESS_ERR_CXN_TIMEOUT	2
+#define ISCSI_SESS_ERR_PDU_FORMAT	3
+
+/* iSCSI session error stats */
+struct iscsi_sess_err_stats {
+	spinlock_t	lock;
+	u32		digest_errors;
+	u32		cxn_timeout_errors;
+	u32		pdu_format_errors;
+	u32		last_sess_failure_type;
+	char		last_sess_fail_rem_name[224];
+} ____cacheline_aligned;
+
+/* iSCSI login failure types (sub oids) */
+#define ISCSI_LOGIN_FAIL_OTHER		2
+#define ISCSI_LOGIN_FAIL_REDIRECT	3
+#define ISCSI_LOGIN_FAIL_AUTHORIZE	4
+#define ISCSI_LOGIN_FAIL_AUTHENTICATE	5
+#define ISCSI_LOGIN_FAIL_NEGOTIATE	6
+
+/* iSCSI login stats */
+struct iscsi_login_stats {
+	spinlock_t	lock;
+	u32		accepts;
+	u32		other_fails;
+	u32		redirects;
+	u32		authorize_fails;
+	u32		authenticate_fails;
+	u32		negotiate_fails;	/* used for notifications */
+	u64		last_fail_time;		/* time stamp (jiffies) */
+	u32		last_fail_type;
+	int		last_intr_fail_ip_family;
+	struct sockaddr_storage last_intr_fail_sockaddr;
+	char		last_intr_fail_name[224];
+} ____cacheline_aligned;
+
+/* iSCSI logout stats */
+struct iscsi_logout_stats {
+	spinlock_t	lock;
+	u32		normal_logouts;
+	u32		abnormal_logouts;
+} ____cacheline_aligned;
+
+#endif   /*** ISCSI_TARGET_STAT_H ***/