[PATCH v4 04/23] net/ntnic: add NT utilities implementation

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

Add ntnic utilities.

Signed-off-by: Serhii Iliushyk <sil-plv@napatech.com>
---
 drivers/net/ntnic/meson.build              |  2 ++
 drivers/net/ntnic/ntnic_ethdev.c           |  2 ++
 drivers/net/ntnic/ntutil/include/nt_util.h | 28 ++++++++++++++++++
 drivers/net/ntnic/ntutil/nt_util.c         | 33 ++++++++++++++++++++++
 4 files changed, 65 insertions(+)
 create mode 100644 drivers/net/ntnic/ntutil/include/nt_util.h
 create mode 100644 drivers/net/ntnic/ntutil/nt_util.c

diff --git a/drivers/net/ntnic/meson.build b/drivers/net/ntnic/meson.build
index b1ba8a860f..d364cf8621 100644
--- a/drivers/net/ntnic/meson.build
+++ b/drivers/net/ntnic/meson.build
@@ -16,11 +16,13 @@ cflags += [
 includes = [
     include_directories('.'),
     include_directories('ntlog/include'),
+    include_directories('ntutil/include'),
 ]
 
 # all sources
 sources = files(
     'ntlog/ntlog.c',
+    'ntutil/nt_util.c',
     'ntnic_ethdev.c',
 )
 # END
diff --git a/drivers/net/ntnic/ntnic_ethdev.c b/drivers/net/ntnic/ntnic_ethdev.c
index e9a584877f..c9726343a1 100644
--- a/drivers/net/ntnic/ntnic_ethdev.c
+++ b/drivers/net/ntnic/ntnic_ethdev.c
@@ -14,6 +14,8 @@
 
 #include "ntlog.h"
 
+#include "nt_util.h"
+
 /* Global static variables: */
 
 static int
diff --git a/drivers/net/ntnic/ntutil/include/nt_util.h b/drivers/net/ntnic/ntutil/include/nt_util.h
new file mode 100644
index 0000000000..3c7b6cfce4
--- /dev/null
+++ b/drivers/net/ntnic/ntutil/include/nt_util.h
@@ -0,0 +1,28 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#ifndef NTOSS_SYSTEM_NT_UTIL_H
+#define NTOSS_SYSTEM_NT_UTIL_H
+
+#include <stdint.h>
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(arr) RTE_DIM(arr)
+#endif
+
+#define PCIIDENT_TO_DOMAIN(pci_ident) ((uint16_t)(((unsigned int)(pci_ident) >> 16) & 0xFFFFU))
+#define PCIIDENT_TO_BUSNR(pci_ident) ((uint8_t)(((unsigned int)(pci_ident) >> 8) & 0xFFU))
+#define PCIIDENT_TO_DEVNR(pci_ident) ((uint8_t)(((unsigned int)(pci_ident) >> 3) & 0x1FU))
+#define PCIIDENT_TO_FUNCNR(pci_ident) ((uint8_t)(((unsigned int)(pci_ident) >> 0) & 0x7U))
+#define PCIIDENT_PRINT_STR "%04x:%02x:%02x.%x"
+#define BDF_TO_PCIIDENT(dom, bus, dev, fnc) (((dom) << 16) | ((bus) << 8) | ((dev) << 3) | (fnc))
+
+uint64_t nt_os_get_time_monotonic_counter(void);
+void nt_os_wait_usec(int val);
+
+uint64_t nt_util_align_size(uint64_t size);
+
+
+#endif	/* NTOSS_SYSTEM_NT_UTIL_H */
diff --git a/drivers/net/ntnic/ntutil/nt_util.c b/drivers/net/ntnic/ntutil/nt_util.c
new file mode 100644
index 0000000000..5395bf6993
--- /dev/null
+++ b/drivers/net/ntnic/ntutil/nt_util.c
@@ -0,0 +1,33 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <assert.h>
+
+#include <rte_ethdev.h>
+#include <rte_malloc.h>
+
+#include "ntlog.h"
+#include "nt_util.h"
+
+/* uses usleep which schedules out the calling thread */
+void nt_os_wait_usec(int val)
+{
+	rte_delay_us_sleep(val);
+}
+
+uint64_t nt_os_get_time_monotonic_counter(void)
+{
+	return rte_get_timer_cycles();
+}
+
+/* Allocation size matching minimum alignment of specified size */
+uint64_t nt_util_align_size(uint64_t size)
+{
+	return 1 << rte_log2_u64(size);
+}
-- 
2.45.0