From: Simon Zhang <yuwei1.zhang@intel.com>
Date: Wed, 10 Apr 2019 12:05:46 +0000 (+0800)
Subject: flow: add rte_flow check before creating by rte_flow_validate
X-Git-Tag: v20.01-rc0~815
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=2a24987bbaeb30801900a15a7216555b0d4b6e05;p=vpp.git

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 63f04b8323d..3f9553105f8 100644
--- 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);