[PATCH v1 05/17] net/ntnic: add NTNIC adapter interfaces

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

Add ntnic adapter interfaces structures.

Signed-off-by: Serhii Iliushyk <sil-plv@napatech.com>
---
 .../ntnic/include/clock_profiles_structs.h    |  69 +++++++
 .../net/ntnic/include/common_adapter_defs.h   |  15 ++
 drivers/net/ntnic/include/fpga_model.h        | 153 +++++++++++++++
 drivers/net/ntnic/include/nt4ga_adapter.h     | 105 ++++++++++
 drivers/net/ntnic/include/nt4ga_pci_ta_tg.h   |  42 ++++
 drivers/net/ntnic/include/nt4ga_tfg.h         |  18 ++
 drivers/net/ntnic/include/ntdrv_4ga.h         |  33 ++++
 drivers/net/ntnic/include/nthw_bus.h          |  20 ++
 drivers/net/ntnic/include/ntos_drv.h          | 180 ++++++++++++++++++
 drivers/net/ntnic/include/ntos_system.h       |  25 +++
 drivers/net/ntnic/include/ntoss_virt_queue.h  | 163 ++++++++++++++++
 11 files changed, 823 insertions(+)
 create mode 100644 drivers/net/ntnic/include/clock_profiles_structs.h
 create mode 100644 drivers/net/ntnic/include/common_adapter_defs.h
 create mode 100644 drivers/net/ntnic/include/fpga_model.h
 create mode 100644 drivers/net/ntnic/include/nt4ga_adapter.h
 create mode 100644 drivers/net/ntnic/include/nt4ga_pci_ta_tg.h
 create mode 100644 drivers/net/ntnic/include/nt4ga_tfg.h
 create mode 100644 drivers/net/ntnic/include/ntdrv_4ga.h
 create mode 100644 drivers/net/ntnic/include/nthw_bus.h
 create mode 100644 drivers/net/ntnic/include/ntos_drv.h
 create mode 100644 drivers/net/ntnic/include/ntos_system.h
 create mode 100644 drivers/net/ntnic/include/ntoss_virt_queue.h

diff --git a/drivers/net/ntnic/include/clock_profiles_structs.h b/drivers/net/ntnic/include/clock_profiles_structs.h
new file mode 100644
index 0000000000..0f967453aa
--- /dev/null
+++ b/drivers/net/ntnic/include/clock_profiles_structs.h
@@ -0,0 +1,69 @@
+/* */
+/* clock_profiles_structs.h */
+/* */
+
+/*
+ * %NT_SOFTWARE_LICENSE%
+ */
+
+#ifndef _NT_CLOCK_PROFILES_STRUCTS_H_
+#define _NT_CLOCK_PROFILES_STRUCTS_H_
+
+/* */
+/* */
+/* */
+#include <stdint.h>
+
+/* */
+/* */
+/* */
+#define GET_VAR_NAME(var) #var
+
+#define clk_profile_size_error_msg "Size test failed"
+
+/* */
+/* */
+/* */
+struct clk_profile_data_fmt0_s {
+	unsigned char reg_addr;
+	unsigned char reg_val;
+	unsigned char reg_mask;
+};
+
+struct clk_profile_data_fmt1_s {
+	uint16_t reg_addr;
+	uint8_t reg_val;
+};
+
+struct clk_profile_data_fmt2_s {
+	unsigned int reg_addr;
+	unsigned char reg_val;
+};
+
+struct clk_profile_data_fmt3_s {
+	unsigned int address;
+	unsigned int data;
+};
+
+typedef struct clk_profile_data_fmt0_s clk_profile_data_fmt0_t;
+typedef struct clk_profile_data_fmt1_s clk_profile_data_fmt1_t;
+typedef struct clk_profile_data_fmt2_s clk_profile_data_fmt2_t;
+typedef struct clk_profile_data_fmt3_s clk_profile_data_fmt3_t;
+
+enum clk_profile_data_fmt_e {
+	clk_profile_data_fmt_0,
+	clk_profile_data_fmt_1,
+	clk_profile_data_fmt_2,
+	clk_profile_data_fmt_3,
+};
+
+typedef enum clk_profile_data_fmt_e clk_profile_data_fmt_t;
+
+/* */
+/* */
+/* */
+#endif	/* _NT_CLOCK_PROFILES_STRUCTS_H_ */
+
+/* */
+/* EOF */
+/* */
diff --git a/drivers/net/ntnic/include/common_adapter_defs.h b/drivers/net/ntnic/include/common_adapter_defs.h
new file mode 100644
index 0000000000..6ed9121f0f
--- /dev/null
+++ b/drivers/net/ntnic/include/common_adapter_defs.h
@@ -0,0 +1,15 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#ifndef _COMMON_ADAPTER_DEFS_H_
+#define _COMMON_ADAPTER_DEFS_H_
+
+/*
+ * Declarations shared by NT adapter types.
+ */
+#define NUM_ADAPTER_MAX (8)
+#define NUM_ADAPTER_PORTS_MAX (128)
+
+#endif	/* _COMMON_ADAPTER_DEFS_H_ */
diff --git a/drivers/net/ntnic/include/fpga_model.h b/drivers/net/ntnic/include/fpga_model.h
new file mode 100644
index 0000000000..3d6610a41b
--- /dev/null
+++ b/drivers/net/ntnic/include/fpga_model.h
@@ -0,0 +1,153 @@
+/* */
+/* fpga_model.h */
+/* */
+
+#ifndef _FPGA_MODEL_H_
+#define _FPGA_MODEL_H_
+
+/* */
+/* */
+/* */
+#ifdef __cplusplus
+#include <cstdint>
+#else
+#ifndef __KERNEL__
+#include <unistd.h>
+#include <stdint.h>
+#include <inttypes.h>
+#else
+#include <linux/types.h>
+#endif	/* __KERNEL__ */
+#endif	/* __cplusplus */
+
+/* */
+/* */
+/* */
+
+typedef uint32_t nthw_id_t;
+
+/* */
+/* */
+/* */
+enum nthw_fpga_bus_type {
+	NTHW_FPGA_BUS_TYPE_UNKNOWN =
+		0,	/* Unknown/uninitialized - keep this as the first enum element */
+	NTHW_FPGA_BUS_TYPE_BAR,
+	NTHW_FPGA_BUS_TYPE_PCI,
+	NTHW_FPGA_BUS_TYPE_CCIP,
+	NTHW_FPGA_BUS_TYPE_RAB0,
+	NTHW_FPGA_BUS_TYPE_RAB1,
+	NTHW_FPGA_BUS_TYPE_RAB2,
+	NTHW_FPGA_BUS_TYPE_NMB,
+	NTHW_FPGA_BUS_TYPE_NDM,
+	NTHW_FPGA_BUS_TYPE_SPI0,
+	NTHW_FPGA_BUS_TYPE_SPI = NTHW_FPGA_BUS_TYPE_SPI0,
+};
+
+typedef enum nthw_fpga_bus_type nthw_fpga_bus_type_e;
+
+/* */
+/* */
+/* */
+enum nthw_fpga_register_type {
+	NTHW_FPGA_REG_TYPE_UNKNOWN =
+		0,	/* Unknown/uninitialized - keep this as the first enum element */
+	NTHW_FPGA_REG_TYPE_RW,
+	NTHW_FPGA_REG_TYPE_RO,
+	NTHW_FPGA_REG_TYPE_WO,
+	NTHW_FPGA_REG_TYPE_RC1,
+	NTHW_FPGA_REG_TYPE_MIXED,
+};
+
+typedef enum nthw_fpga_register_type nthw_fpga_register_type_e;
+
+/* */
+/* */
+/* */
+struct nthw_fpga_field_init {
+	nthw_id_t id;
+	/* */
+	uint16_t bw;
+	uint16_t low;
+	uint64_t reset_val;
+};
+
+typedef struct nthw_fpga_field_init nthw_fpga_field_init_s;
+
+/* */
+/* */
+/* */
+struct nthw_fpga_register_init {
+	nthw_id_t id;
+	/* */
+	uint32_t addr_rel;
+	uint16_t bw;
+	nthw_fpga_register_type_e type;
+	uint64_t reset_val;
+	/* */
+	int nb_fields;
+	struct nthw_fpga_field_init *fields;
+};
+
+typedef struct nthw_fpga_register_init nthw_fpga_register_init_s;
+
+/* */
+/* */
+/* */
+struct nthw_fpga_module_init {
+	nthw_id_t id;
+	int instance;
+	/* */
+	nthw_id_t def_id;
+	int major_version;
+	int minor_version;
+	/* */
+	nthw_fpga_bus_type_e bus_id;
+	uint32_t addr_base;
+	/* */
+	int nb_registers;
+	struct nthw_fpga_register_init *registers;
+};
+
+typedef struct nthw_fpga_module_init nthw_fpga_module_init_s;
+
+/* */
+/* */
+/* */
+struct nthw_fpga_prod_param {
+	const nthw_id_t id;
+	const int value;
+};
+
+typedef struct nthw_fpga_prod_param nthw_fpga_prod_param_s;
+
+/* */
+/* */
+/* */
+struct nthw_fpga_prod_init {
+	int fpga_item_id;
+	int fpga_product_id;
+	int fpga_version;
+	int fpga_revision;
+	int fpga_patch_no;
+	int fpga_build_no;
+	uint32_t fpga_build_time;
+	/* */
+	int nb_prod_params;
+	struct nthw_fpga_prod_param *product_params;
+	/* */
+	int nb_modules;
+	struct nthw_fpga_module_init *modules;
+};
+
+typedef struct nthw_fpga_prod_init nthw_fpga_prod_init_s;
+
+/* */
+/* */
+/* */
+
+#endif	/* _FPGA_MODEL_H_ */
+
+/* */
+/* EOF */
+/* */
diff --git a/drivers/net/ntnic/include/nt4ga_adapter.h b/drivers/net/ntnic/include/nt4ga_adapter.h
new file mode 100644
index 0000000000..0722829529
--- /dev/null
+++ b/drivers/net/ntnic/include/nt4ga_adapter.h
@@ -0,0 +1,105 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#ifndef _NT4GA_ADAPTER_H_
+#define _NT4GA_ADAPTER_H_
+
+#include "common_adapter_defs.h"
+
+struct adapter_info_s;
+
+/*
+ * DN-0060 section 9
+ */
+typedef struct hw_info_s {
+	/* pciids */
+	uint16_t pci_vendor_id;
+	uint16_t pci_device_id;
+	uint16_t pci_sub_vendor_id;
+	uint16_t pci_sub_device_id;
+	uint16_t pci_class_id;
+
+	/* Derived from pciid */
+	nthw_adapter_id_t n_nthw_adapter_id;
+	int hw_platform_id;
+	int hw_product_type;
+	int hw_reserved1;
+} hw_info_t;
+
+/*
+ * Services provided by the adapter module
+ */
+#include "nt4ga_pci_ta_tg.h"
+#include "nt4ga_filter.h"
+#include "ntnic_stat.h"
+#include "nt4ga_tfg.h"
+#include "nt4ga_link.h"
+
+#include "nthw_spi_v3.h"
+#include "ntnic_nim.h"
+
+#include "ntnic_sensor.h"
+
+typedef struct adapter_info_s {
+	struct nt4ga_pci_ta_tg_s nt4ga_pci_ta_tg;
+	struct nt4ga_stat_s nt4ga_stat;
+	struct nt4ga_filter_s nt4ga_filter;
+	struct nt4ga_tfg_s nt4ga_tfg;
+	struct nt4ga_link_s nt4ga_link;
+
+	struct nthw_mcu *mp_nthw_mcu;
+
+	struct hw_info_s hw_info;
+	struct fpga_info_s fpga_info;
+
+	uint16_t adapter_sensors_cnt;
+	uint16_t nim_sensors_cnt[NUM_ADAPTER_PORTS_MAX];
+	struct nt_sensor_group *adapter_sensors;
+	struct nim_sensor_group *nim_sensors[NUM_ADAPTER_PORTS_MAX];
+
+	char *mp_port_id_str[NUM_ADAPTER_PORTS_MAX];
+	char *mp_adapter_id_str;
+	char *p_dev_name;
+	volatile bool *pb_shutdown;
+
+	int adapter_no;
+	int n_rx_host_buffers;
+	int n_tx_host_buffers;
+} adapter_info_t;
+
+/*
+ * Monitor task operations.  This structure defines the management hooks for
+ * Napatech network devices.  The following hooks can be defined; unless noted
+ * otherwise, they are optional and can be filled with a null pointer.
+ *
+ * int (*mto_open)(int adapter, int port);
+ *     The function to call when a network device transitions to the up state,
+ *     e.g., `ip link set <interface> up`.
+ *
+ * int (*mto_stop)(int adapter, int port);
+ *     The function to call when a network device transitions to the down state,
+ *     e.g., `ip link set <interface> down`.
+ */
+struct monitor_task_ops {
+	int (*mto_open)(int adapter, int port);
+	int (*mto_stop)(int adapter, int port);
+};
+
+#include <pthread.h>
+#include <signal.h>
+
+/* The file nt4ga_adapter.c defines the next four variables. */
+extern pthread_t monitor_tasks[NUM_ADAPTER_MAX];
+extern volatile int monitor_task_is_running[NUM_ADAPTER_MAX];
+
+/*
+ * Function that sets up signal handler(s) that stop the monitoring tasks.
+ */
+int set_up_signal_handlers_to_stop_monitoring_tasks(void);
+
+/* SPI for sensors reading */
+nthw_spis_t *new_sensors_t_spi(struct nthw_fpga_s *p_fpga);
+
+#endif	/* _NT4GA_ADAPTER_H_ */
diff --git a/drivers/net/ntnic/include/nt4ga_pci_ta_tg.h b/drivers/net/ntnic/include/nt4ga_pci_ta_tg.h
new file mode 100644
index 0000000000..b445a22930
--- /dev/null
+++ b/drivers/net/ntnic/include/nt4ga_pci_ta_tg.h
@@ -0,0 +1,42 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#ifndef _NT4GA_PCI_TA_TG_H_
+#define _NT4GA_PCI_TA_TG_H_
+
+#include <stdint.h>
+
+#define TA_TG_DBG_SHOW_SUMMARY (1)
+
+#define TG_NUM_PACKETS (8)
+#define TG_PKT_SIZE (2048 * 1)
+#define TG_AREA_SIZE (TG_NUM_PACKETS * TG_PKT_SIZE)
+
+#define TG_DELAY (200000)	/* usec */
+
+/* Struct predefinitions */
+struct adapter_info_s;
+struct nthw_hif_end_point_counters;
+
+struct nt4ga_pci_ta_tg_s {
+	struct nthw_pci_rd_tg *mp_nthw_pci_rd_tg;
+	struct nthw_pci_wr_tg *mp_nthw_pci_wr_tg;
+	struct nthw_pci_ta *mp_nthw_pci_ta;
+};
+
+typedef struct nt4ga_pci_ta_tg_s nt4ga_pci_ta_tg_t;
+typedef struct nt4ga_pci_ta_tg_s nt4ga_pci_ta_tg;
+
+int nt4ga_pci_ta_tg_init(struct adapter_info_s *p_adapter_info);
+
+int nt4ga_pci_ta_tg_measure_throughput_run(struct adapter_info_s *p_adapter_info,
+	struct nthw_hif_end_point_counters *pri,
+	struct nthw_hif_end_point_counters *sla);
+int nt4ga_pci_ta_tg_measure_throughput_main(struct adapter_info_s *p_adapter_info,
+	const uint8_t numa_node, const int direction,
+	const int n_pkt_size, const int n_batch_count,
+	const int n_delay);
+
+#endif	/* _NT4GA_PCI_TA_TG_H_ */
diff --git a/drivers/net/ntnic/include/nt4ga_tfg.h b/drivers/net/ntnic/include/nt4ga_tfg.h
new file mode 100644
index 0000000000..9797403dec
--- /dev/null
+++ b/drivers/net/ntnic/include/nt4ga_tfg.h
@@ -0,0 +1,18 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#ifndef NT4GA_TFG_H_
+#define NT4GA_TFG_H_
+
+typedef struct nt4ga_tfg_s {
+	nthw_mac_tfg_t *mp_nthw_mac_tfg;
+} nt4ga_tfg_t;
+
+int nt4ga_tfg_init(struct adapter_info_s *p_adapter_info);
+int nt4ga_tfg_setup(struct adapter_info_s *p_adapter_info, const int n_intf_no,
+	const int n_cmd_start_stop, const int n_frame_count, const int n_frame_size,
+	const int n_frame_fill_mode, const int n_frame_stream_id);
+
+#endif	/* NT4GA_TFG_H_ */
diff --git a/drivers/net/ntnic/include/ntdrv_4ga.h b/drivers/net/ntnic/include/ntdrv_4ga.h
new file mode 100644
index 0000000000..cae25ecfa6
--- /dev/null
+++ b/drivers/net/ntnic/include/ntdrv_4ga.h
@@ -0,0 +1,33 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#ifndef __NTDRV_4GA_H__
+#define __NTDRV_4GA_H__
+
+#include <rte_version.h>
+#include <rte_thread.h>
+#include "nthw_drv.h"
+#include "nt4ga_adapter.h"
+#include "nthw_platform_drv.h"
+
+typedef struct ntdrv_4ga_s {
+	uint32_t pciident;
+	struct adapter_info_s adapter_info;
+	char *p_drv_name;
+
+	volatile bool b_shutdown;
+	pthread_mutex_t stat_lck;
+#if RTE_VERSION_NUM(23, 11, 0, 0) < RTE_VERSION
+	rte_thread_t stat_thread;
+	rte_thread_t flm_thread;
+	rte_thread_t port_event_thread;
+#else
+	pthread_t stat_thread;
+	pthread_t flm_thread;
+	pthread_t port_event_thread;
+#endif
+} ntdrv_4ga_t;
+
+#endif	/* __NTDRV_4GA_H__ */
diff --git a/drivers/net/ntnic/include/nthw_bus.h b/drivers/net/ntnic/include/nthw_bus.h
new file mode 100644
index 0000000000..9d1532335b
--- /dev/null
+++ b/drivers/net/ntnic/include/nthw_bus.h
@@ -0,0 +1,20 @@
+/* */
+/* nthw_bus.h */
+/* */
+
+/* */
+/* */
+/* */
+#ifndef __NTHW_BUS_H__
+#define __NTHW_BUS_H__
+
+/* */
+/* */
+/* */
+typedef uint8_t nthw_rab_bus_id_t;
+
+#endif	/* __NTHW_BUS_H__ */
+
+/* */
+/* EOF */
+/* */
diff --git a/drivers/net/ntnic/include/ntos_drv.h b/drivers/net/ntnic/include/ntos_drv.h
new file mode 100644
index 0000000000..a181676593
--- /dev/null
+++ b/drivers/net/ntnic/include/ntos_drv.h
@@ -0,0 +1,180 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#ifndef __NTOS_DRV_H__
+#define __NTOS_DRV_H__
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <inttypes.h>
+
+#include <rte_version.h>/* RTE_VERSION, RTE_VERSION_NUM */
+#include <rte_mtr_driver.h>
+
+#include "stream_binary_flow_api.h"
+#include "nthw_drv.h"
+#include "nthw_profile.h"
+
+#define NUM_MAC_ADDRS_PER_PORT (16U)
+#define NUM_MULTICAST_ADDRS_PER_PORT (16U)
+
+/* Max RSS queues */
+#define MAX_QUEUES 125
+
+/* Structs: */
+#define SG_HDR_SIZE 12
+
+struct _pkt_hdr_rx {
+	uint32_t cap_len : 14;
+	uint32_t fid : 10;
+	uint32_t ofs1 : 8;
+	uint32_t ip_prot : 8;
+	uint32_t port : 13;
+	uint32_t descr : 8;
+	uint32_t descr_12b : 1;
+	uint32_t color_type : 2;
+	uint32_t color : 32;
+};
+
+struct _pkt_hdr_tx {
+	uint32_t cap_len : 14;
+	uint32_t lso_cso0 : 9;
+	uint32_t lso_cso1 : 9;
+	uint32_t lso_cso2 : 8;
+	/* all 1's : use implicit in-port. 0-127 queue index. 0x80 + phy-port to phy */
+	uint32_t bypass_port : 13;
+	uint32_t descr : 8;
+	uint32_t descr_12b : 1;
+	uint32_t color_type : 2;
+	uint32_t color : 32;
+};
+
+/* Total max ports per NT NFV NIC */
+#define MAX_NTNIC_PORTS 2
+
+/* Total max VDPA ports */
+#define MAX_VDPA_PORTS 128UL
+
+struct nthw_memory_descriptor {
+	void *phys_addr;
+	void *virt_addr;
+	uint32_t len;
+};
+
+struct hwq_s {
+	int vf_num;
+	struct nthw_memory_descriptor virt_queues_ctrl;
+	struct nthw_memory_descriptor *pkt_buffers;
+};
+
+struct ntnic_rx_queue {
+	struct flow_queue_id_s queue;	/* queue info - user id and hw queue index */
+
+	struct rte_mempool *mb_pool;	/* mbuf memory pool */
+	uint16_t buf_size;	/* Size of data area in mbuf */
+	unsigned long rx_pkts;	/* Rx packet statistics */
+	unsigned long rx_bytes;	/* Rx bytes statistics */
+	unsigned long err_pkts;	/* Rx error packet statistics */
+	int enabled;	/* Enabling/disabling of this queue */
+
+	struct hwq_s hwq;
+	struct nthw_virt_queue *vq;
+	int nb_hw_rx_descr;
+	nt_meta_port_type_t type;
+	uint32_t port;	/* Rx port for this queue */
+	enum fpga_info_profile profile;	/* Vswitch / Inline / Capture */
+
+} __rte_cache_aligned;
+
+struct ntnic_tx_queue {
+	struct flow_queue_id_s queue;	/* queue info - user id and hw queue index */
+	struct hwq_s hwq;
+	struct nthw_virt_queue *vq;
+	int nb_hw_tx_descr;
+	/* Used for bypass in NTDVIO0 header on  Tx - pre calculated */
+	int target_id;
+	nt_meta_port_type_t type;
+	/* only used for exception tx queue from OVS SW switching */
+	int rss_target_id;
+
+	uint32_t port;	/* Tx port for this queue */
+	unsigned long tx_pkts;	/* Tx packet statistics */
+	unsigned long tx_bytes;	/* Tx bytes statistics */
+	unsigned long err_pkts;	/* Tx error packet stat */
+	int enabled;	/* Enabling/disabling of this queue */
+	enum fpga_info_profile profile;	/* Vswitch / Inline / Capture */
+} __rte_cache_aligned;
+
+struct nt_mtr_profile {
+	LIST_ENTRY(nt_mtr_profile) next;
+	uint32_t profile_id;
+	struct rte_mtr_meter_profile profile;
+};
+
+struct nt_mtr {
+	LIST_ENTRY(nt_mtr) next;
+	uint32_t mtr_id;
+	int shared;
+	struct nt_mtr_profile *profile;
+};
+
+enum virt_port_comm {
+	VIRT_PORT_NEGOTIATED_NONE,
+	VIRT_PORT_NEGOTIATED_SPLIT,
+	VIRT_PORT_NEGOTIATED_PACKED,
+	VIRT_PORT_USE_RELAY
+};
+
+struct pmd_internals {
+	const struct rte_pci_device *pci_dev;
+
+	struct flow_eth_dev *flw_dev;
+
+	char name[20];
+	char vhost_path[MAX_PATH_LEN];
+
+	int n_intf_no;
+	int if_index;
+
+	int lpbk_mode;
+
+	uint8_t ts_multiplier;
+	uint16_t min_tx_pkt_size;
+	uint16_t max_tx_pkt_size;
+
+	unsigned int nb_rx_queues;	/* Number of Rx queues configured */
+	unsigned int nb_tx_queues;	/* Number of Tx queues configured */
+	uint32_t port;
+	uint32_t port_id;
+	uint8_t vf_offset;	/* Offset of the VF from the PF */
+
+	nt_meta_port_type_t type;
+	struct flow_queue_id_s vpq[MAX_QUEUES];
+	unsigned int vpq_nb_vq;
+	int vhid;	/* if a virtual port type - the vhid */
+	enum virt_port_comm vport_comm;	/* link and how split,packed,relay */
+	uint32_t vlan;
+
+	struct ntnic_rx_queue rxq_scg[MAX_QUEUES];	/* Array of Rx queues */
+	struct ntnic_tx_queue txq_scg[MAX_QUEUES];	/* Array of Tx queues */
+
+	struct drv_s *p_drv;
+	/* Ethernet (MAC) addresses. Element number zero denotes default address. */
+	struct rte_ether_addr eth_addrs[NUM_MAC_ADDRS_PER_PORT];
+	/* Multicast ethernet (MAC) addresses. */
+	struct rte_ether_addr mc_addrs[NUM_MULTICAST_ADDRS_PER_PORT];
+
+	LIST_HEAD(_profiles, nt_mtr_profile) mtr_profiles;
+	LIST_HEAD(_mtrs, nt_mtr) mtrs;
+
+	uint64_t last_stat_rtc;
+	uint64_t rx_missed;
+
+	struct pmd_internals *next;
+};
+
+#endif	/* __NTOS_DRV_H__ */
diff --git a/drivers/net/ntnic/include/ntos_system.h b/drivers/net/ntnic/include/ntos_system.h
new file mode 100644
index 0000000000..cf4768799d
--- /dev/null
+++ b/drivers/net/ntnic/include/ntos_system.h
@@ -0,0 +1,25 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#ifndef __NTOS_SYSTEM_H__
+#define __NTOS_SYSTEM_H__
+
+#include "include/ntdrv_4ga.h"
+
+/*
+ * struct drv_s for DPDK (clone of kernel struct)
+ * keep it as close as possible to original kernel struct
+ */
+struct drv_s {
+	int adapter_no;
+	struct rte_pci_device *p_dev;
+	struct ntdrv_4ga_s ntdrv;
+
+	int n_eth_dev_init_count;
+	int probe_finished;
+	int setup_finished;
+};
+
+#endif	/* __NTOS_SYSTEM_H__ */
diff --git a/drivers/net/ntnic/include/ntoss_virt_queue.h b/drivers/net/ntnic/include/ntoss_virt_queue.h
new file mode 100644
index 0000000000..03d652066a
--- /dev/null
+++ b/drivers/net/ntnic/include/ntoss_virt_queue.h
@@ -0,0 +1,163 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#ifndef __NTOSS_VIRT_QUEUE_H__
+#define __NTOSS_VIRT_QUEUE_H__
+
+#include <stdint.h>
+#include <stdalign.h>
+
+#include "ntos_drv.h"
+struct nthw_virt_queue;
+
+#define ule64 uint64_t
+#define ule32 uint32_t
+#define ule16 uint16_t
+
+#define MAX_MSIX_VECTORS_PR_VF 8
+
+#define SPLIT_RING 0
+#define PACKED_RING 1
+#define IN_ORDER 1
+#define NO_ORDER_REQUIRED 0
+
+/*
+ * SPLIT : This marks a buffer as continuing via the next field.
+ * PACKED: This marks a buffer as continuing. (packed does not have a next field, so must be
+ * contiguous) In Used descriptors it must be ignored
+ */
+#define VIRTQ_DESC_F_NEXT 1
+/*
+ * SPLIT : This marks a buffer as device write-only (otherwise device read-only).
+ * PACKED: This marks a descriptor as device write-only (otherwise device read-only).
+ * PACKED: In a used descriptor, this bit is used to specify whether any data has been written by
+ * the device into any parts of the buffer.
+ */
+#define VIRTQ_DESC_F_WRITE 2
+/*
+ * SPLIT : This means the buffer contains a list of buffer descriptors.
+ * PACKED: This means the element contains a table of descriptors.
+ */
+#define VIRTQ_DESC_F_INDIRECT 4
+
+/*
+ * Split Ring virtq Descriptor
+ */
+#pragma pack(1)
+struct virtq_desc {
+	/* Address (guest-physical). */
+	ule64 addr;
+	/* Length. */
+	ule32 len;
+	/* The flags as indicated above. */
+	ule16 flags;
+	/* Next field if flags & NEXT */
+	ule16 next;
+};
+#pragma pack()
+
+/*
+ * Packed Ring special structures and defines
+ */
+
+#define MAX_PACKED_RING_ELEMENTS (1 << 15)	/* 32768 */
+
+/* additional packed ring flags */
+#define VIRTQ_DESC_F_AVAIL (1 << 7)
+#define VIRTQ_DESC_F_USED (1 << 15)
+
+/* descr phys address must be 16 byte aligned */
+#pragma pack(push, 16)
+struct pvirtq_desc {
+	/* Buffer Address. */
+	ule64 addr;
+	/* Buffer Length. */
+	ule32 len;
+	/* Buffer ID. */
+	ule16 id;
+	/* The flags depending on descriptor type. */
+	ule16 flags;
+};
+#pragma pack(pop)
+
+/* Enable events */
+#define RING_EVENT_FLAGS_ENABLE 0x0
+/* Disable events */
+#define RING_EVENT_FLAGS_DISABLE 0x1
+/*
+ * Enable events for a specific descriptor
+ * (as specified by Descriptor Ring Change Event Offset/Wrap Counter).
+ * Only valid if VIRTIO_F_RING_EVENT_IDX has been negotiated.
+ */
+#define RING_EVENT_FLAGS_DESC 0x2
+/* The value 0x3 is reserved */
+
+struct pvirtq_event_suppress {
+	union {
+		struct {
+			/* Descriptor Ring Change Event Offset */
+			ule16 desc_event_off : 15;
+			/* Descriptor Ring Change Event Wrap Counter */
+			ule16 desc_event_wrap : 1;
+		};
+		/* If desc_event_flags set to RING_EVENT_FLAGS_DESC */
+		ule16 desc;
+	};
+
+	/* phys address must be 4 byte aligned */
+#pragma pack(push, 16)
+	union {
+		struct {
+			ule16 desc_event_flags : 2;	/* Descriptor Ring Change Event Flags */
+			ule16 reserved : 14;	/* Reserved, set to 0 */
+		};
+		ule16 flags;
+	};
+};
+#pragma pack(pop)
+
+/*
+ * Common virtq descr
+ */
+#define vq_set_next(vq, index, nxt)                                                               \
+	do {                                                                                      \
+		struct nthw_cvirtq_desc *temp_vq = (vq);                                          \
+		if (temp_vq->vq_type == SPLIT_RING)                                               \
+			temp_vq->s[index].next = nxt;                                             \
+	} while (0)
+
+#define vq_set_flags(vq, index, flgs)                                                             \
+	do {                                                                                      \
+		struct nthw_cvirtq_desc *temp_vq = (vq);                                          \
+		uint32_t temp_flags = (flgs);                                                     \
+		uint32_t temp_index = (index);                                                    \
+		if ((temp_vq)->vq_type == SPLIT_RING)                                             \
+			(temp_vq)->s[temp_index].flags = temp_flags;                              \
+		else if ((temp_vq)->vq_type == PACKED_RING)                                       \
+			(temp_vq)->p[temp_index].flags = temp_flags;                              \
+	} while (0)
+
+struct nthw_virtq_desc_buf {
+	/* Address (guest-physical). */
+	alignas(16) ule64 addr;
+	/* Length. */
+	ule32 len;
+};
+
+struct nthw_cvirtq_desc {
+	union {
+		struct nthw_virtq_desc_buf *b;	/* buffer part as is common */
+		struct virtq_desc *s;	/* SPLIT */
+		struct pvirtq_desc *p;	/* PACKED */
+	};
+	uint16_t vq_type;
+};
+
+struct nthw_received_packets {
+	void *addr;
+	uint32_t len;
+};
+
+#endif	/* __NTOSS_VIRT_QUEUE_H__ */
-- 
2.44.0