flow: add rte_flow check before creating by rte_flow_validate

Change-Id: Idfcf1644952d647c6e1b61216d9b365d58b77814
Signed-off-by: Simon Zhang <yuwei1.zhang@intel.com>

diff --git a/src/plugins/dpdk/device/flow.c b/src/plugins/dpdk/device/flow.c
index 63f04b8..3f95531 100644 (file)
--- a/src/plugins/dpdk/device/flow.c
+++ b/src/plugins/dpdk/device/flow.c
@@ -209,6 +209,20 @@ dpdk_flow_add (dpdk_device_t * xd, vnet_flow_t * f, dpdk_flow_entry_t * fe)
   vec_add2 (actions, action, 1);
   action->type = RTE_FLOW_ACTION_TYPE_END;
 
+  rv = rte_flow_validate (xd->device_index, &ingress, items, actions,
+                         &xd->last_flow_error);
+
+  if (rv)
+    {
+      if (rv == -EINVAL)
+       rv = VNET_FLOW_ERROR_NOT_SUPPORTED;
+      else if (rv == -EEXIST)
+       rv = VNET_FLOW_ERROR_ALREADY_EXISTS;
+      else
+       rv = VNET_FLOW_ERROR_INTERNAL;
+      goto done;
+    }
+
   fe->handle = rte_flow_create (xd->device_index, &ingress, items, actions,
                                &xd->last_flow_error);