[PATCH v1 01/31] net/ntnic: add flow filter init API

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

From: Oleksandr Kolomeiets <okl-plv@napatech.com>

Add high-level interfaces for the initialization of the flow filter.

Signed-off-by: Oleksandr Kolomeiets <okl-plv@napatech.com>
---
 drivers/net/ntnic/adapter/nt4ga_adapter.c | 18 ++++++++++++++++++
 drivers/net/ntnic/include/flow_api.h      | 12 ++++++++++++
 drivers/net/ntnic/include/nt4ga_adapter.h |  6 ++++++
 drivers/net/ntnic/include/nt4ga_filter.h  | 13 +++++++++++++
 drivers/net/ntnic/ntnic_mod_reg.c         |  7 +++++++
 drivers/net/ntnic/ntnic_mod_reg.h         |  8 ++++++++
 6 files changed, 64 insertions(+)
 create mode 100644 drivers/net/ntnic/include/flow_api.h
 create mode 100644 drivers/net/ntnic/include/nt4ga_filter.h

diff --git a/drivers/net/ntnic/adapter/nt4ga_adapter.c b/drivers/net/ntnic/adapter/nt4ga_adapter.c
index b704a256c6..4105a6eb5a 100644
--- a/drivers/net/ntnic/adapter/nt4ga_adapter.c
+++ b/drivers/net/ntnic/adapter/nt4ga_adapter.c
@@ -75,6 +75,11 @@ static int nt4ga_adapter_show_info(struct adapter_info_s *p_adapter_info, FILE *
 
 static int nt4ga_adapter_init(struct adapter_info_s *p_adapter_info)
 {
+	const struct flow_filter_ops *flow_filter_ops = get_flow_filter_ops();
+
+	if (flow_filter_ops == NULL)
+		NT_LOG(ERR, NTNIC, "%s: flow_filter module uninitialized\n", __func__);
+
 	char *const p_dev_name = malloc(24);
 	char *const p_adapter_id_str = malloc(24);
 	fpga_info_t *fpga_info = &p_adapter_info->fpga_info;
@@ -155,6 +160,19 @@ static int nt4ga_adapter_init(struct adapter_info_s *p_adapter_info)
 	n_nim_ports = fpga_info->n_nims;
 	assert(n_nim_ports >= 1);
 
+	/* Nt4ga Init Filter */
+	nt4ga_filter_t *p_filter = &p_adapter_info->nt4ga_filter;
+
+	if (flow_filter_ops != NULL) {
+		res = flow_filter_ops->flow_filter_init(p_fpga, &p_filter->mp_flow_device,
+				p_adapter_info->adapter_no);
+
+		if (res != 0) {
+			NT_LOG(ERR, NTNIC, "%s: Cannot initialize filter\n", p_adapter_id_str);
+			return res;
+		}
+	}
+
 	{
 		int i;
 		const struct link_ops_s *link_ops = NULL;
diff --git a/drivers/net/ntnic/include/flow_api.h b/drivers/net/ntnic/include/flow_api.h
new file mode 100644
index 0000000000..036e652b76
--- /dev/null
+++ b/drivers/net/ntnic/include/flow_api.h
@@ -0,0 +1,12 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#ifndef _FLOW_API_H_
+#define _FLOW_API_H_
+
+/* registered NIC backends */
+struct flow_nic_dev;
+
+#endif
diff --git a/drivers/net/ntnic/include/nt4ga_adapter.h b/drivers/net/ntnic/include/nt4ga_adapter.h
index 4b204742a2..93218fd45b 100644
--- a/drivers/net/ntnic/include/nt4ga_adapter.h
+++ b/drivers/net/ntnic/include/nt4ga_adapter.h
@@ -23,7 +23,13 @@ typedef struct hw_info_s {
 	int hw_reserved1;
 } hw_info_t;
 
+/*
+ * Services provided by the adapter module
+ */
+#include "nt4ga_filter.h"
+
 typedef struct adapter_info_s {
+	struct nt4ga_filter_s nt4ga_filter;
 	struct nt4ga_link_s nt4ga_link;
 
 	struct hw_info_s hw_info;
diff --git a/drivers/net/ntnic/include/nt4ga_filter.h b/drivers/net/ntnic/include/nt4ga_filter.h
new file mode 100644
index 0000000000..2024b500f3
--- /dev/null
+++ b/drivers/net/ntnic/include/nt4ga_filter.h
@@ -0,0 +1,13 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#ifndef NT4GA_FILTER_H_
+#define NT4GA_FILTER_H_
+
+typedef struct nt4ga_filter_s {
+	struct flow_nic_dev *mp_flow_device;
+} nt4ga_filter_t;
+
+#endif  /* NT4GA_FILTER_H_ */
diff --git a/drivers/net/ntnic/ntnic_mod_reg.c b/drivers/net/ntnic/ntnic_mod_reg.c
index 40e22c60fa..45cc767c90 100644
--- a/drivers/net/ntnic/ntnic_mod_reg.c
+++ b/drivers/net/ntnic/ntnic_mod_reg.c
@@ -88,3 +88,10 @@ struct rst9563_ops *get_rst9563_ops(void)
 		rst9563_ops_init();
 	return rst9563_ops;
 }
+
+static const struct flow_filter_ops *flow_filter_ops;
+
+const struct flow_filter_ops *get_flow_filter_ops(void)
+{
+	return flow_filter_ops;
+}
diff --git a/drivers/net/ntnic/ntnic_mod_reg.h b/drivers/net/ntnic/ntnic_mod_reg.h
index 3189b04f33..6dd6240c6f 100644
--- a/drivers/net/ntnic/ntnic_mod_reg.h
+++ b/drivers/net/ntnic/ntnic_mod_reg.h
@@ -7,6 +7,7 @@
 #define __NTNIC_MOD_REG_H__
 
 #include <stdint.h>
+#include "flow_api.h"
 #include "nthw_fpga_model.h"
 #include "nthw_platform_drv.h"
 #include "nthw_drv.h"
@@ -117,4 +118,11 @@ void register_rst9563_ops(struct rst9563_ops *ops);
 struct rst9563_ops *get_rst9563_ops(void);
 void rst9563_ops_init(void);
 
+struct flow_filter_ops {
+	int (*flow_filter_init)(nthw_fpga_t *p_fpga, struct flow_nic_dev **p_flow_device,
+		int adapter_no);
+};
+
+const struct flow_filter_ops *get_flow_filter_ops(void);
+
 #endif	/* __NTNIC_MOD_REG_H__ */
-- 
2.45.0