[dpdk-dev] [PATCH v5 24/28] net/cnxk: support ops to enable/disable meter

[skori at marvell.com]

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

Implement API to enable or disable meter instance for
CNXK platform.

Signed-off-by: Sunil Kumar Kori <skori at marvell.com>
Signed-off-by: Rakesh Kudurumalla <rkudurumalla at marvell.com>
---
v5:
 - Fix checkpatch errors
 - Fix patch apply errors

v4:
 - Rebase support on dpdk-next-net-mrvl branch
 - Handled meter action during flow destroy
 - Handled meter cleanup during port shutdown
 
v3:
 - Rebase support on latest DPDK
 - Handled multilevel chaining for tree hierarchy
 - Fix naming convention

v2:
 - Rebase support on latest DPDK
 - Handled multilevel chaining for linear hierarchy
 - Review comments incorporated

 drivers/net/cnxk/cnxk_ethdev_mtr.c | 60 ++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/drivers/net/cnxk/cnxk_ethdev_mtr.c b/drivers/net/cnxk/cnxk_ethdev_mtr.c
index 6d950fd177..6c19b90e10 100644
--- a/drivers/net/cnxk/cnxk_ethdev_mtr.c
+++ b/drivers/net/cnxk/cnxk_ethdev_mtr.c
@@ -555,6 +555,64 @@ cnxk_nix_mtr_destroy(struct rte_eth_dev *eth_dev, uint32_t mtr_id,
 	return rc;
 }
 
+static int
+cnxk_nix_mtr_enable(struct rte_eth_dev *eth_dev, uint32_t mtr_id,
+		    struct rte_mtr_error *error)
+{
+	struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+	struct roc_nix *nix = &dev->nix;
+	struct cnxk_meter_node *mtr;
+	struct roc_nix_rq *rq;
+	uint32_t i;
+	int rc = 0;
+
+	mtr = nix_mtr_find(dev, mtr_id);
+	if (mtr == NULL) {
+		return -rte_mtr_error_set(error, ENOENT,
+					  RTE_MTR_ERROR_TYPE_MTR_ID, NULL,
+					  "Meter id is invalid.");
+	}
+
+	if (mtr->level != 0)
+		return 0;
+
+	for (i = 0; i < mtr->rq_num; i++) {
+		rq = &dev->rqs[mtr->rq_id[i]];
+		rc |= roc_nix_bpf_ena_dis(nix, mtr->bpf_id, rq, true);
+	}
+
+	return rc;
+}
+
+static int
+cnxk_nix_mtr_disable(struct rte_eth_dev *eth_dev, uint32_t mtr_id,
+		     struct rte_mtr_error *error)
+{
+	struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+	struct roc_nix *nix = &dev->nix;
+	struct cnxk_meter_node *mtr;
+	struct roc_nix_rq *rq;
+	uint32_t i;
+	int rc = 0;
+
+	mtr = nix_mtr_find(dev, mtr_id);
+	if (mtr == NULL) {
+		return -rte_mtr_error_set(error, ENOENT,
+					  RTE_MTR_ERROR_TYPE_MTR_ID, NULL,
+					  "Meter id is invalid.");
+	}
+
+	if (mtr->level != 0)
+		return 0;
+
+	for (i = 0; i < mtr->rq_num; i++) {
+		rq = &dev->rqs[mtr->rq_id[i]];
+		rc |= roc_nix_bpf_ena_dis(nix, mtr->bpf_id, rq, false);
+	}
+
+	return rc;
+}
+
 const struct rte_mtr_ops nix_mtr_ops = {
 	.capabilities_get = cnxk_nix_mtr_capabilities_get,
 	.meter_profile_add = cnxk_nix_mtr_profile_add,
@@ -564,6 +622,8 @@ const struct rte_mtr_ops nix_mtr_ops = {
 	.meter_policy_delete = cnxk_nix_mtr_policy_delete,
 	.create = cnxk_nix_mtr_create,
 	.destroy = cnxk_nix_mtr_destroy,
+	.meter_enable = cnxk_nix_mtr_enable,
+	.meter_disable = cnxk_nix_mtr_disable,
 };
 
 int
-- 
2.25.1