net/softnic: destroy meter object

Implement meter object destroy function.

Signed-off-by: Jasvinder Singh <jasvinder.singh@intel.com>

diff --git a/drivers/net/softnic/rte_eth_softnic_meter.c b/drivers/net/softnic/rte_eth_softnic_meter.c
index 12dd79c..5103bda 100644 (file)
--- a/drivers/net/softnic/rte_eth_softnic_meter.c
+++ b/drivers/net/softnic/rte_eth_softnic_meter.c
@@ -285,6 +285,53 @@ pmd_mtr_create(struct rte_eth_dev *dev,
        return 0;
 }
 
+/* MTR object destroy */
+static int
+pmd_mtr_destroy(struct rte_eth_dev *dev,
+       uint32_t mtr_id,
+       struct rte_mtr_error *error)
+{
+       struct pmd_internals *p = dev->data->dev_private;
+       struct softnic_mtr_list *ml = &p->mtr.mtrs;
+       struct softnic_mtr_meter_profile *mp;
+       struct softnic_mtr *m;
+
+       /* MTR object must exist */
+       m = softnic_mtr_find(p, mtr_id);
+       if (m == NULL)
+               return -rte_mtr_error_set(error,
+                       EEXIST,
+                       RTE_MTR_ERROR_TYPE_MTR_ID,
+                       NULL,
+                       "MTR object id not valid");
+
+       /* MTR object must not have any owner */
+       if (m->flow != NULL)
+               return -rte_mtr_error_set(error,
+                       EINVAL,
+                       RTE_MTR_ERROR_TYPE_UNSPECIFIED,
+                       NULL,
+                       "MTR object is being used");
+
+       /* Get meter profile */
+       mp = softnic_mtr_meter_profile_find(p, m->params.meter_profile_id);
+       if (mp == NULL)
+               return -rte_mtr_error_set(error,
+                       EINVAL,
+                       RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
+                       NULL,
+                       "MTR object meter profile invalid");
+
+       /* Update dependencies */
+       mp->n_users--;
+
+       /* Remove from list */
+       TAILQ_REMOVE(ml, m, node);
+       free(m);
+
+       return 0;
+}
+
 const struct rte_mtr_ops pmd_mtr_ops = {
        .capabilities_get = NULL,
 
@@ -292,7 +339,7 @@ const struct rte_mtr_ops pmd_mtr_ops = {
        .meter_profile_delete = pmd_mtr_meter_profile_delete,
 
        .create = pmd_mtr_create,
-       .destroy = NULL,
+       .destroy = pmd_mtr_destroy,
        .meter_enable = NULL,
        .meter_disable = NULL,