[PATCH v5 02/23] net/ntnic: add logging implementation

[Serhii Iliushyk <sil-plv@napatech.com>]

Add ntnic specific implementation for logging

Signed-off-by: Serhii Iliushyk <sil-plv@napatech.com>
---
 drivers/net/ntnic/meson.build           |  2 +
 drivers/net/ntnic/ntlog/include/ntlog.h | 49 +++++++++++++++++++++++
 drivers/net/ntnic/ntlog/ntlog.c         | 53 +++++++++++++++++++++++++
 drivers/net/ntnic/ntnic_ethdev.c        |  2 +
 4 files changed, 106 insertions(+)
 create mode 100644 drivers/net/ntnic/ntlog/include/ntlog.h
 create mode 100644 drivers/net/ntnic/ntlog/ntlog.c

diff --git a/drivers/net/ntnic/meson.build b/drivers/net/ntnic/meson.build
index 227949eacb..b1ba8a860f 100644
--- a/drivers/net/ntnic/meson.build
+++ b/drivers/net/ntnic/meson.build
@@ -15,10 +15,12 @@ cflags += [
 # includes
 includes = [
     include_directories('.'),
+    include_directories('ntlog/include'),
 ]
 
 # all sources
 sources = files(
+    'ntlog/ntlog.c',
     'ntnic_ethdev.c',
 )
 # END
diff --git a/drivers/net/ntnic/ntlog/include/ntlog.h b/drivers/net/ntnic/ntlog/include/ntlog.h
new file mode 100644
index 0000000000..58dcce0580
--- /dev/null
+++ b/drivers/net/ntnic/ntlog/include/ntlog.h
@@ -0,0 +1,49 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#ifndef NTOSS_SYSTEM_NTLOG_H
+#define NTOSS_SYSTEM_NTLOG_H
+
+#include <stdarg.h>
+#include <stdint.h>
+#include <rte_log.h>
+
+extern int nt_logtype;
+
+#define NT_DRIVER_NAME "ntnic"
+
+#define NT_PMD_DRV_LOG(level, ...) \
+	rte_log(RTE_LOG_ ## level, nt_logtype, \
+		RTE_FMT(NT_DRIVER_NAME ": " \
+			RTE_FMT_HEAD(__VA_ARGS__, ""), \
+		RTE_FMT_TAIL(__VA_ARGS__, "")))
+
+
+#define NT_LOG_ERR(...) NT_PMD_DRV_LOG(ERR, __VA_ARGS__)
+#define NT_LOG_WRN(...) NT_PMD_DRV_LOG(WARNING, __VA_ARGS__)
+#define NT_LOG_INF(...) NT_PMD_DRV_LOG(INFO, __VA_ARGS__)
+#define NT_LOG_DBG(...) NT_PMD_DRV_LOG(DEBUG, __VA_ARGS__)
+
+#define NT_LOG(level, module, ...) \
+	NT_LOG_##level(#module ": " #level ":" __VA_ARGS__)
+
+#define NT_LOG_DBGX(level, module, ...) \
+		rte_log(RTE_LOG_ ##level, nt_logtype, \
+				RTE_FMT(NT_DRIVER_NAME #module ": [%s:%u]" \
+					RTE_FMT_HEAD(__VA_ARGS__, ""), __func__, __LINE__, \
+				RTE_FMT_TAIL(__VA_ARGS__, "")))
+/*
+ * nt log helper functions
+ * to create a string for NT_LOG usage to output a one-liner log
+ * to use when one single function call to NT_LOG is not optimal - that is
+ * you do not know the number of parameters at programming time or it is variable
+ */
+char *ntlog_helper_str_alloc(const char *sinit);
+
+void ntlog_helper_str_add(char *s, const char *format, ...);
+
+void ntlog_helper_str_free(char *s);
+
+#endif	/* NTOSS_SYSTEM_NTLOG_H */
diff --git a/drivers/net/ntnic/ntlog/ntlog.c b/drivers/net/ntnic/ntlog/ntlog.c
new file mode 100644
index 0000000000..2732a9e857
--- /dev/null
+++ b/drivers/net/ntnic/ntlog/ntlog.c
@@ -0,0 +1,53 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#include "ntlog.h"
+
+#include <stdarg.h>
+#include <stddef.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+#include <rte_log.h>
+#include <rte_string_fns.h>
+
+#define NTLOG_HELPER_STR_SIZE_MAX (1024)
+
+RTE_LOG_REGISTER_DEFAULT(nt_logtype, INFO)
+
+char *ntlog_helper_str_alloc(const char *sinit)
+{
+	char *s = malloc(NTLOG_HELPER_STR_SIZE_MAX);
+
+	if (!s)
+		return NULL;
+
+	if (sinit)
+		snprintf(s, NTLOG_HELPER_STR_SIZE_MAX, "%s", sinit);
+
+	else
+		s[0] = '\0';
+
+	return s;
+}
+
+__rte_format_printf(2, 0)
+void ntlog_helper_str_add(char *s, const char *format, ...)
+{
+	if (!s)
+		return;
+
+	va_list args;
+	va_start(args, format);
+	int len = strlen(s);
+	vsnprintf(&s[len], (NTLOG_HELPER_STR_SIZE_MAX - 1 - len), format, args);
+	va_end(args);
+}
+
+void ntlog_helper_str_free(char *s)
+{
+	free(s);
+}
diff --git a/drivers/net/ntnic/ntnic_ethdev.c b/drivers/net/ntnic/ntnic_ethdev.c
index 9cc727ac4b..3079bd98e4 100644
--- a/drivers/net/ntnic/ntnic_ethdev.c
+++ b/drivers/net/ntnic/ntnic_ethdev.c
@@ -12,6 +12,8 @@
 #include <rte_bus_pci.h>
 #include <ethdev_pci.h>
 
+#include "ntlog.h"
+
 /* Global static variables: */
 
 static int
-- 
2.45.0