[dpdk-dev] [PATCH 19/27] net/cnxk: support ops to validate meter policy

[<skori@marvell.com>]

From: Sunil Kumar Kori <skori@marvell.com>

Implement API to validate meter policy for CN10K platform.

Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
---
 drivers/net/cnxk/cn10k_ethdev_mtr.c | 63 +++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/drivers/net/cnxk/cn10k_ethdev_mtr.c b/drivers/net/cnxk/cn10k_ethdev_mtr.c
index 480ce8fd73..8374f40681 100644
--- a/drivers/net/cnxk/cn10k_ethdev_mtr.c
+++ b/drivers/net/cnxk/cn10k_ethdev_mtr.c
@@ -184,10 +184,73 @@ cn10k_nix_mtr_profile_delete(struct rte_eth_dev *eth_dev, uint32_t profile_id,
 	return 0;
 }
 
+static int
+cn10k_nix_mtr_policy_validate(struct rte_eth_dev *dev,
+			      struct rte_mtr_meter_policy_params *policy,
+			      struct rte_mtr_error *error)
+{
+	enum rte_flow_action_type supported_action[] = {
+		RTE_FLOW_ACTION_TYPE_END, RTE_FLOW_ACTION_TYPE_QUEUE,
+		RTE_FLOW_ACTION_TYPE_DROP, RTE_FLOW_ACTION_TYPE_RSS,
+		RTE_FLOW_ACTION_TYPE_METER};
+	bool supported[RTE_COLORS] = {false, false, false};
+	uint32_t i;
+
+	RTE_SET_USED(dev);
+
+	if (!policy)
+		return 0; /* Nothing to be validated */
+
+	for (i = 0; i < RTE_DIM(supported_action); i++) {
+		if (policy->actions[RTE_COLOR_GREEN]->type ==
+		    supported_action[i]) {
+			supported[RTE_COLOR_GREEN] = true;
+			break;
+		}
+	}
+
+	if (!supported[RTE_COLOR_GREEN]) {
+		return -rte_mtr_error_set(error, ENOTSUP,
+					  RTE_MTR_ERROR_TYPE_METER_POLICY, NULL,
+					  "Green: action is not supported");
+	}
+
+	for (i = 0; i < RTE_DIM(supported_action); i++) {
+		if (policy->actions[RTE_COLOR_YELLOW]->type ==
+		    supported_action[i]) {
+			supported[RTE_COLOR_YELLOW] = true;
+			break;
+		}
+	}
+
+	if (!supported[RTE_COLOR_YELLOW]) {
+		return -rte_mtr_error_set(error, ENOTSUP,
+					  RTE_MTR_ERROR_TYPE_METER_POLICY, NULL,
+					  "Yellow: action is not supported");
+	}
+
+	for (i = 0; i < RTE_DIM(supported_action); i++) {
+		if (policy->actions[RTE_COLOR_RED]->type ==
+		    supported_action[i]) {
+			supported[RTE_COLOR_RED] = true;
+			break;
+		}
+	}
+
+	if (!supported[RTE_COLOR_RED]) {
+		return -rte_mtr_error_set(error, ENOTSUP,
+					  RTE_MTR_ERROR_TYPE_METER_POLICY, NULL,
+					  "Red: action is not supported");
+	}
+
+	return 0;
+}
+
 const struct rte_mtr_ops nix_mtr_ops = {
 	.capabilities_get = cn10k_nix_mtr_capabilities_get,
 	.meter_profile_add = cn10k_nix_mtr_profile_add,
 	.meter_profile_delete = cn10k_nix_mtr_profile_delete,
+	.meter_policy_validate = cn10k_nix_mtr_policy_validate,
 };
 
 int
-- 
2.25.1