[PATCH v3 02/73] net/ntnic: add flow filter API

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

Enable flow ops getter

Signed-off-by: Serhii Iliushyk <sil-plv@napatech.com>
---
v2
* Change cast to void with __rte_unused
---
 drivers/net/ntnic/include/create_elements.h   | 13 +++++++
 .../ntnic/include/stream_binary_flow_api.h    |  2 +
 drivers/net/ntnic/meson.build                 |  1 +
 drivers/net/ntnic/ntnic_ethdev.c              |  7 ++++
 drivers/net/ntnic/ntnic_filter/ntnic_filter.c | 37 +++++++++++++++++++
 drivers/net/ntnic/ntnic_mod_reg.c             | 15 ++++++++
 drivers/net/ntnic/ntnic_mod_reg.h             |  5 +++
 7 files changed, 80 insertions(+)
 create mode 100644 drivers/net/ntnic/include/create_elements.h
 create mode 100644 drivers/net/ntnic/ntnic_filter/ntnic_filter.c

diff --git a/drivers/net/ntnic/include/create_elements.h b/drivers/net/ntnic/include/create_elements.h
new file mode 100644
index 0000000000..802e6dcbe1
--- /dev/null
+++ b/drivers/net/ntnic/include/create_elements.h
@@ -0,0 +1,13 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#ifndef __CREATE_ELEMENTS_H__
+#define __CREATE_ELEMENTS_H__
+
+
+#include "stream_binary_flow_api.h"
+#include <rte_flow.h>
+
+#endif	/* __CREATE_ELEMENTS_H__ */
diff --git a/drivers/net/ntnic/include/stream_binary_flow_api.h b/drivers/net/ntnic/include/stream_binary_flow_api.h
index 47e5353344..a6244d4082 100644
--- a/drivers/net/ntnic/include/stream_binary_flow_api.h
+++ b/drivers/net/ntnic/include/stream_binary_flow_api.h
@@ -6,6 +6,8 @@
 #ifndef _STREAM_BINARY_FLOW_API_H_
 #define _STREAM_BINARY_FLOW_API_H_
 
+#include "rte_flow.h"
+#include "rte_flow_driver.h"
 /*
  * Flow frontend for binary programming interface
  */
diff --git a/drivers/net/ntnic/meson.build b/drivers/net/ntnic/meson.build
index 3d9566a52e..d272c73c62 100644
--- a/drivers/net/ntnic/meson.build
+++ b/drivers/net/ntnic/meson.build
@@ -79,6 +79,7 @@ sources = files(
         'nthw/nthw_platform.c',
         'nthw/nthw_rac.c',
         'ntlog/ntlog.c',
+        'ntnic_filter/ntnic_filter.c',
         'ntutil/nt_util.c',
         'ntnic_mod_reg.c',
         'ntnic_vfio.c',
diff --git a/drivers/net/ntnic/ntnic_ethdev.c b/drivers/net/ntnic/ntnic_ethdev.c
index 510c0e5d23..a509a8eb51 100644
--- a/drivers/net/ntnic/ntnic_ethdev.c
+++ b/drivers/net/ntnic/ntnic_ethdev.c
@@ -1321,6 +1321,12 @@ eth_fw_version_get(struct rte_eth_dev *eth_dev, char *fw_version, size_t fw_size
 	}
 }
 
+static int dev_flow_ops_get(struct rte_eth_dev *dev __rte_unused, const struct rte_flow_ops **ops)
+{
+	*ops = get_dev_flow_ops();
+	return 0;
+}
+
 static int
 promiscuous_enable(struct rte_eth_dev __rte_unused(*dev))
 {
@@ -1349,6 +1355,7 @@ static const struct eth_dev_ops nthw_eth_dev_ops = {
 	.mac_addr_add = eth_mac_addr_add,
 	.mac_addr_set = eth_mac_addr_set,
 	.set_mc_addr_list = eth_set_mc_addr_list,
+	.flow_ops_get = dev_flow_ops_get,
 	.promiscuous_enable = promiscuous_enable,
 };
 
diff --git a/drivers/net/ntnic/ntnic_filter/ntnic_filter.c b/drivers/net/ntnic/ntnic_filter/ntnic_filter.c
new file mode 100644
index 0000000000..445139abc9
--- /dev/null
+++ b/drivers/net/ntnic/ntnic_filter/ntnic_filter.c
@@ -0,0 +1,37 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#include <rte_flow_driver.h>
+#include "ntnic_mod_reg.h"
+
+static int
+eth_flow_destroy(struct rte_eth_dev *eth_dev __rte_unused, struct rte_flow *flow __rte_unused,
+	struct rte_flow_error *error __rte_unused)
+{
+	int res = 0;
+
+	return res;
+}
+
+static struct rte_flow *eth_flow_create(struct rte_eth_dev *eth_dev __rte_unused,
+	const struct rte_flow_attr *attr __rte_unused,
+	const struct rte_flow_item items[] __rte_unused,
+	const struct rte_flow_action actions[] __rte_unused,
+	struct rte_flow_error *error __rte_unused)
+{
+	struct rte_flow *flow = NULL;
+
+	return flow;
+}
+
+static const struct rte_flow_ops dev_flow_ops = {
+	.create = eth_flow_create,
+	.destroy = eth_flow_destroy,
+};
+
+void dev_flow_init(void)
+{
+	register_dev_flow_ops(&dev_flow_ops);
+}
diff --git a/drivers/net/ntnic/ntnic_mod_reg.c b/drivers/net/ntnic/ntnic_mod_reg.c
index ac8afdef6a..ad2266116f 100644
--- a/drivers/net/ntnic/ntnic_mod_reg.c
+++ b/drivers/net/ntnic/ntnic_mod_reg.c
@@ -137,3 +137,18 @@ const struct flow_filter_ops *get_flow_filter_ops(void)
 
 	return flow_filter_ops;
 }
+
+static const struct rte_flow_ops *dev_flow_ops;
+
+void register_dev_flow_ops(const struct rte_flow_ops *ops)
+{
+	dev_flow_ops = ops;
+}
+
+const struct rte_flow_ops *get_dev_flow_ops(void)
+{
+	if (dev_flow_ops == NULL)
+		dev_flow_init();
+
+	return dev_flow_ops;
+}
diff --git a/drivers/net/ntnic/ntnic_mod_reg.h b/drivers/net/ntnic/ntnic_mod_reg.h
index 017d15d7bc..457dc58794 100644
--- a/drivers/net/ntnic/ntnic_mod_reg.h
+++ b/drivers/net/ntnic/ntnic_mod_reg.h
@@ -15,6 +15,7 @@
 #include "nt4ga_adapter.h"
 #include "ntnic_nthw_fpga_rst_nt200a0x.h"
 #include "ntnic_virt_queue.h"
+#include "create_elements.h"
 
 /* sg ops section */
 struct sg_ops_s {
@@ -243,6 +244,10 @@ struct flow_filter_ops {
 		uint32_t exception_path);
 };
 
+void register_dev_flow_ops(const struct rte_flow_ops *ops);
+const struct rte_flow_ops *get_dev_flow_ops(void);
+void dev_flow_init(void);
+
 void register_flow_filter_ops(const struct flow_filter_ops *ops);
 const struct flow_filter_ops *get_flow_filter_ops(void);
 void init_flow_filter(void);
-- 
2.45.0