[PATCH v5 06/80] net/ntnic: add management functions for NT flow profile

[Serhii Iliushyk]

Management functions implements (re)setting of the NT flow dev.

Signed-off-by: Serhii Iliushyk <sil-plv at napatech.com>
---
v5
* Remove unnecessaty SCATTER_GATHER definition
---
 drivers/net/ntnic/include/flow_api.h          |  1 +
 drivers/net/ntnic/include/flow_api_engine.h   |  5 ++
 drivers/net/ntnic/nthw/flow_api/flow_api.c    | 58 +++++++++++++++++++
 .../profile_inline/flow_api_profile_inline.c  | 20 +++++++
 .../profile_inline/flow_api_profile_inline.h  |  8 +++
 drivers/net/ntnic/ntnic_mod_reg.h             |  8 +++
 6 files changed, 100 insertions(+)

diff --git a/drivers/net/ntnic/include/flow_api.h b/drivers/net/ntnic/include/flow_api.h
index 3bdfdd4f94..790b2f6b03 100644
--- a/drivers/net/ntnic/include/flow_api.h
+++ b/drivers/net/ntnic/include/flow_api.h
@@ -55,6 +55,7 @@ struct flow_nic_dev {
 	uint16_t ports; /* number of in-ports addressable on this NIC */
 	/* flow profile this NIC is initially prepared for */
 	enum flow_eth_dev_profile flow_profile;
+	int flow_mgnt_prepared;
 
 	struct hw_mod_resource_s res[RES_COUNT];/* raw NIC resource allocation table */
 	void *km_res_handle;
diff --git a/drivers/net/ntnic/include/flow_api_engine.h b/drivers/net/ntnic/include/flow_api_engine.h
index d025677e25..52ff3cb865 100644
--- a/drivers/net/ntnic/include/flow_api_engine.h
+++ b/drivers/net/ntnic/include/flow_api_engine.h
@@ -46,6 +46,11 @@ enum res_type_e {
  */
 #define MAX_OUTPUT_DEST (128)
 
+struct flow_handle {
+	struct flow_eth_dev *dev;
+	struct flow_handle *next;
+};
+
 void km_free_ndev_resource_management(void **handle);
 
 void kcc_free_ndev_resource_management(void **handle);
diff --git a/drivers/net/ntnic/nthw/flow_api/flow_api.c b/drivers/net/ntnic/nthw/flow_api/flow_api.c
index 5c5bd147d1..a9016238d0 100644
--- a/drivers/net/ntnic/nthw/flow_api/flow_api.c
+++ b/drivers/net/ntnic/nthw/flow_api/flow_api.c
@@ -210,10 +210,29 @@ static int nic_remove_eth_port_dev(struct flow_nic_dev *ndev, struct flow_eth_de
 
 static void flow_ndev_reset(struct flow_nic_dev *ndev)
 {
+	const struct profile_inline_ops *profile_inline_ops = get_profile_inline_ops();
+
+	if (profile_inline_ops == NULL) {
+		NT_LOG(ERR, FILTER, "%s: profile_inline module uninitialized", __func__);
+		return;
+	}
+
 	/* Delete all eth-port devices created on this NIC device */
 	while (ndev->eth_base)
 		flow_delete_eth_dev(ndev->eth_base);
 
+	/* Error check */
+	while (ndev->flow_base) {
+		NT_LOG(ERR, FILTER,
+			"ERROR : Flows still defined but all eth-ports deleted. Flow %p",
+			ndev->flow_base);
+
+		profile_inline_ops->flow_destroy_profile_inline(ndev->flow_base->dev,
+			ndev->flow_base, NULL);
+	}
+
+	profile_inline_ops->done_flow_management_of_ndev_profile_inline(ndev);
+
 	km_free_ndev_resource_management(&ndev->km_res_handle);
 	kcc_free_ndev_resource_management(&ndev->kcc_res_handle);
 
@@ -255,6 +274,13 @@ static void flow_ndev_reset(struct flow_nic_dev *ndev)
 
 int flow_delete_eth_dev(struct flow_eth_dev *eth_dev)
 {
+	const struct profile_inline_ops *profile_inline_ops = get_profile_inline_ops();
+
+	if (profile_inline_ops == NULL) {
+		NT_LOG(ERR, FILTER, "%s: profile_inline module uninitialized", __func__);
+		return -1;
+	}
+
 	struct flow_nic_dev *ndev = eth_dev->ndev;
 
 	if (!ndev) {
@@ -271,6 +297,20 @@ int flow_delete_eth_dev(struct flow_eth_dev *eth_dev)
 	/* delete all created flows from this device */
 	pthread_mutex_lock(&ndev->mtx);
 
+	struct flow_handle *flow = ndev->flow_base;
+
+	while (flow) {
+		if (flow->dev == eth_dev) {
+			struct flow_handle *flow_next = flow->next;
+			profile_inline_ops->flow_destroy_locked_profile_inline(eth_dev, flow,
+				NULL);
+			flow = flow_next;
+
+		} else {
+			flow = flow->next;
+		}
+	}
+
 	/*
 	 * remove unmatched queue if setup in QSL
 	 * remove exception queue setting in QSL UNM
@@ -435,6 +475,24 @@ static struct flow_eth_dev *flow_get_eth_dev(uint8_t adapter_no, uint8_t port_no
 	eth_dev->port = port_no;
 	eth_dev->port_id = port_id;
 
+	/* First time then NIC is initialized */
+	if (!ndev->flow_mgnt_prepared) {
+		ndev->flow_profile = flow_profile;
+
+		/* Initialize modules if needed - recipe 0 is used as no-match and must be setup */
+		if (profile_inline_ops != NULL &&
+			profile_inline_ops->initialize_flow_management_of_ndev_profile_inline(ndev))
+			goto err_exit0;
+
+	} else {
+		/* check if same flow type is requested, otherwise fail */
+		if (ndev->flow_profile != flow_profile) {
+			NT_LOG(ERR, FILTER,
+				"ERROR: Different flow types requested on same NIC device. Not supported.");
+			goto err_exit0;
+		}
+	}
+
 	/* Allocate the requested queues in HW for this dev */
 
 	for (i = 0; i < alloc_rx_queues; i++) {
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 34e01c5839..0400527197 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
@@ -8,6 +8,20 @@
 #include "flow_api_profile_inline.h"
 #include "ntnic_mod_reg.h"
 
+/*
+ * Public functions
+ */
+
+int initialize_flow_management_of_ndev_profile_inline(struct flow_nic_dev *ndev __rte_unused)
+{
+	return -1;
+}
+
+int done_flow_management_of_ndev_profile_inline(struct flow_nic_dev *ndev __rte_unused)
+{
+	return 0;
+}
+
 struct flow_handle *flow_create_profile_inline(struct flow_eth_dev *dev __rte_unused,
 	const struct rte_flow_attr *attr __rte_unused,
 	uint16_t forced_vlan_vid __rte_unused,
@@ -51,6 +65,12 @@ int flow_destroy_profile_inline(struct flow_eth_dev *dev, struct flow_handle *fl
 }
 
 static const struct profile_inline_ops ops = {
+	/*
+	 * Management
+	 */
+	.done_flow_management_of_ndev_profile_inline = done_flow_management_of_ndev_profile_inline,
+	.initialize_flow_management_of_ndev_profile_inline =
+		initialize_flow_management_of_ndev_profile_inline,
 	/*
 	 * Flow functionality
 	 */
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 a83cc299b4..b87f8542ac 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
@@ -11,6 +11,14 @@
 #include "flow_api.h"
 #include "stream_binary_flow_api.h"
 
+/*
+ * Management
+ */
+
+int done_flow_management_of_ndev_profile_inline(struct flow_nic_dev *ndev);
+
+int initialize_flow_management_of_ndev_profile_inline(struct flow_nic_dev *ndev);
+
 /*
  * Flow functionality
  */
diff --git a/drivers/net/ntnic/ntnic_mod_reg.h b/drivers/net/ntnic/ntnic_mod_reg.h
index d133336fad..149c549112 100644
--- a/drivers/net/ntnic/ntnic_mod_reg.h
+++ b/drivers/net/ntnic/ntnic_mod_reg.h
@@ -226,6 +226,14 @@ const struct flow_backend_ops *get_flow_backend_ops(void);
 void flow_backend_init(void);
 
 struct profile_inline_ops {
+	/*
+	 * Management
+	 */
+
+	int (*done_flow_management_of_ndev_profile_inline)(struct flow_nic_dev *ndev);
+
+	int (*initialize_flow_management_of_ndev_profile_inline)(struct flow_nic_dev *ndev);
+
 	/*
 	 * Flow functionality
 	 */
-- 
2.45.0