[PATCH v2 66/73] net/ntnic: add aged API to the inline profile

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

From: Danylo Vodopianov <dvo-plv@napatech.com>

Added implementation for flow get aged API.

Module which operate with age queue was extended with
get, count and size operations.

Signed-off-by: Danylo Vodopianov <dvo-plv@napatech.com>
---
 drivers/net/ntnic/meson.build                 |  1 +
 .../flow_api/profile_inline/flm_age_queue.c   | 49 ++++++++++++++++++
 .../flow_api/profile_inline/flm_age_queue.h   | 24 +++++++++
 .../profile_inline/flow_api_profile_inline.c  | 51 +++++++++++++++++++
 .../profile_inline/flow_api_profile_inline.h  |  6 +++
 5 files changed, 131 insertions(+)
 create mode 100644 drivers/net/ntnic/nthw/flow_api/profile_inline/flm_age_queue.c
 create mode 100644 drivers/net/ntnic/nthw/flow_api/profile_inline/flm_age_queue.h

diff --git a/drivers/net/ntnic/meson.build b/drivers/net/ntnic/meson.build
index c0b7729929..8c6d02a5ec 100644
--- a/drivers/net/ntnic/meson.build
+++ b/drivers/net/ntnic/meson.build
@@ -58,6 +58,7 @@ sources = files(
         'nthw/flow_api/flow_group.c',
         'nthw/flow_api/flow_id_table.c',
         'nthw/flow_api/hw_mod/hw_mod_backend.c',
+        'nthw/flow_api/profile_inline/flm_age_queue.c',
         'nthw/flow_api/profile_inline/flm_lrn_queue.c',
         'nthw/flow_api/profile_inline/flm_evt_queue.c',
         'nthw/flow_api/profile_inline/flow_api_profile_inline.c',
diff --git a/drivers/net/ntnic/nthw/flow_api/profile_inline/flm_age_queue.c b/drivers/net/ntnic/nthw/flow_api/profile_inline/flm_age_queue.c
new file mode 100644
index 0000000000..f6f04009fe
--- /dev/null
+++ b/drivers/net/ntnic/nthw/flow_api/profile_inline/flm_age_queue.c
@@ -0,0 +1,49 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 Napatech A/S
+ */
+
+#include <rte_ring.h>
+
+#include "ntlog.h"
+#include "flm_age_queue.h"
+
+/* Queues for flm aged events */
+static struct rte_ring *age_queue[MAX_EVT_AGE_QUEUES];
+
+int flm_age_queue_get(uint16_t caller_id, struct flm_age_event_s *obj)
+{
+	int ret;
+
+	/* If queues is not created, then ignore and return */
+	if (caller_id < MAX_EVT_AGE_QUEUES && age_queue[caller_id] != NULL) {
+		ret = rte_ring_sc_dequeue_elem(age_queue[caller_id], obj, FLM_AGE_ELEM_SIZE);
+
+		if (ret != 0)
+			NT_LOG(DBG, FILTER, "FLM aged event queue empty");
+
+		return ret;
+	}
+
+	return -ENOENT;
+}
+
+unsigned int flm_age_queue_count(uint16_t caller_id)
+{
+	unsigned int ret = 0;
+
+	if (caller_id < MAX_EVT_AGE_QUEUES && age_queue[caller_id] != NULL)
+		ret = rte_ring_count(age_queue[caller_id]);
+
+	return ret;
+}
+
+unsigned int flm_age_queue_get_size(uint16_t caller_id)
+{
+	unsigned int ret = 0;
+
+	if (caller_id < MAX_EVT_AGE_QUEUES && age_queue[caller_id] != NULL)
+		ret = rte_ring_get_size(age_queue[caller_id]);
+
+	return ret;
+}
diff --git a/drivers/net/ntnic/nthw/flow_api/profile_inline/flm_age_queue.h b/drivers/net/ntnic/nthw/flow_api/profile_inline/flm_age_queue.h
new file mode 100644
index 0000000000..d61609cc01
--- /dev/null
+++ b/drivers/net/ntnic/nthw/flow_api/profile_inline/flm_age_queue.h
@@ -0,0 +1,24 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 Napatech A/S
+ */
+
+#ifndef _FLM_AGE_QUEUE_H_
+#define _FLM_AGE_QUEUE_H_
+
+#include "stdint.h"
+
+struct flm_age_event_s {
+	void *context;
+};
+
+/* Max number of event queues */
+#define MAX_EVT_AGE_QUEUES 256
+
+#define FLM_AGE_ELEM_SIZE sizeof(struct flm_age_event_s)
+
+int flm_age_queue_get(uint16_t caller_id, struct flm_age_event_s *obj);
+unsigned int flm_age_queue_count(uint16_t caller_id);
+unsigned int flm_age_queue_get_size(uint16_t caller_id);
+
+#endif	/* _FLM_AGE_QUEUE_H_ */
diff --git a/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.c b/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.c
index a1cba7f4c7..f0a8956b04 100644
--- a/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.c
+++ b/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.c
@@ -7,6 +7,7 @@
 #include "nt_util.h"
 
 #include "hw_mod_backend.h"
+#include "flm_age_queue.h"
 #include "flm_lrn_queue.h"
 #include "flow_api.h"
 #include "flow_api_engine.h"
@@ -4395,6 +4396,55 @@ static void dump_flm_data(const uint32_t *data, FILE *file)
 	}
 }
 
+int flow_get_aged_flows_profile_inline(struct flow_eth_dev *dev,
+	uint16_t caller_id,
+	void **context,
+	uint32_t nb_contexts,
+	struct rte_flow_error *error)
+{
+	(void)dev;
+	flow_nic_set_error(ERR_SUCCESS, error);
+
+	unsigned int queue_size = flm_age_queue_get_size(caller_id);
+
+	if (queue_size == 0) {
+		error->type = RTE_FLOW_ERROR_TYPE_UNSPECIFIED;
+		error->message = "Aged queue size is not configured";
+		return -1;
+	}
+
+	unsigned int queue_count = flm_age_queue_count(caller_id);
+
+	if (context == NULL)
+		return queue_count;
+
+	if (queue_count < nb_contexts) {
+		error->type = RTE_FLOW_ERROR_TYPE_UNSPECIFIED;
+		error->message = "Aged queue size contains fewer records than the expected output";
+		return -1;
+	}
+
+	if (queue_size < nb_contexts) {
+		error->type = RTE_FLOW_ERROR_TYPE_UNSPECIFIED;
+		error->message = "Defined aged queue size is smaller than the expected output";
+		return -1;
+	}
+
+	uint32_t idx;
+
+	for (idx = 0; idx < nb_contexts; ++idx) {
+		struct flm_age_event_s obj;
+		int ret = flm_age_queue_get(caller_id, &obj);
+
+		if (ret != 0)
+			break;
+
+		context[idx] = obj.context;
+	}
+
+	return idx;
+}
+
 int flow_dev_dump_profile_inline(struct flow_eth_dev *dev,
 	struct flow_handle *flow,
 	uint16_t caller_id,
@@ -4523,6 +4573,7 @@ static const struct profile_inline_ops ops = {
 	.flow_destroy_locked_profile_inline = flow_destroy_locked_profile_inline,
 	.flow_create_profile_inline = flow_create_profile_inline,
 	.flow_destroy_profile_inline = flow_destroy_profile_inline,
+	.flow_get_aged_flows_profile_inline = flow_get_aged_flows_profile_inline,
 	.flow_flush_profile_inline = flow_flush_profile_inline,
 	.flow_nic_set_hasher_fields_inline = flow_nic_set_hasher_fields_inline,
 	/*
diff --git a/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.h b/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.h
index b44d3a7291..e1934bc6a6 100644
--- a/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.h
+++ b/drivers/net/ntnic/nthw/flow_api/profile_inline/flow_api_profile_inline.h
@@ -48,6 +48,12 @@ int flow_dev_dump_profile_inline(struct flow_eth_dev *dev,
 	FILE *file,
 	struct rte_flow_error *error);
 
+int flow_get_aged_flows_profile_inline(struct flow_eth_dev *dev,
+	uint16_t caller_id,
+	void **context,
+	uint32_t nb_contexts,
+	struct rte_flow_error *error);
+
 int flow_nic_set_hasher_fields_inline(struct flow_nic_dev *ndev,
 	int hsh_idx,
 	struct nt_eth_rss_conf rss_conf);
-- 
2.45.0