[dpdk-dev] [PATCH v2 21/27] net/cnxk: support ops to delete meter policy

[skori]

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

Implement API to delete meter policy for CN10K platform.

Signed-off-by: Sunil Kumar Kori <sk...@marvell.com>
Signed-off-by: Rakesh Kudurumalla <rkuduruma...@marvell.com>
---
v2:
 - Rebase support on latest DPDK
 - Handled multilevel chaining for linear hierarchy
 - Review comments incorporated

 drivers/net/cnxk/cn10k_ethdev_mtr.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/drivers/net/cnxk/cn10k_ethdev_mtr.c 
b/drivers/net/cnxk/cn10k_ethdev_mtr.c
index 14f33cfe91..46f0bdd5fc 100644
--- a/drivers/net/cnxk/cn10k_ethdev_mtr.c
+++ b/drivers/net/cnxk/cn10k_ethdev_mtr.c
@@ -349,12 +349,38 @@ cn10k_nix_mtr_policy_add(struct rte_eth_dev *eth_dev, 
uint32_t policy_id,
        return rc;
 }
 
+static int
+cn10k_nix_mtr_policy_delete(struct rte_eth_dev *eth_dev, uint32_t policy_id,
+                           struct rte_mtr_error *error)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct cnxk_mtr_policy_node *fmp;
+
+       fmp = nix_mtr_policy_find(dev, policy_id);
+       if (fmp == NULL) {
+               return -rte_mtr_error_set(error, ENOENT,
+                                         RTE_MTR_ERROR_TYPE_METER_POLICY_ID,
+                                         NULL, "No policy found");
+       }
+
+       if (fmp->ref_cnt)
+               return -rte_mtr_error_set(error, EBUSY,
+                                         RTE_MTR_ERROR_TYPE_METER_POLICY_ID,
+                                         NULL, "Meter policy is in use.");
+
+       TAILQ_REMOVE(&dev->mtr_policy, fmp, next);
+       plt_free(fmp);
+
+       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,
        .meter_policy_add = cn10k_nix_mtr_policy_add,
+       .meter_policy_delete = cn10k_nix_mtr_policy_delete,
 };
 
 int
-- 
2.25.1