From: Beilei Xing <beilei.xing@intel.com>
Date: Fri, 6 Jan 2017 05:27:13 +0000 (+0800)
Subject: net/i40e: add flow destroy function
X-Git-Tag: spdx-start~4856
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=1c51b894d7df6f2902e2da400de67a57dd38d584;p=dpdk.git

net/i40e: add flow destroy function

This patch adds i40e_flow_destroy function to destroy
a flow for users.

Signed-off-by: Beilei Xing <beilei.xing@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>
---

diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c
index d4d9f50507..5225948f20 100644
--- a/drivers/net/i40e/i40e_flow.c
+++ b/drivers/net/i40e/i40e_flow.c
@@ -68,6 +68,9 @@ static struct rte_flow *i40e_flow_create(struct rte_eth_dev *dev,
 					 const struct rte_flow_item pattern[],
 					 const struct rte_flow_action actions[],
 					 struct rte_flow_error *error);
+static int i40e_flow_destroy(struct rte_eth_dev *dev,
+			     struct rte_flow *flow,
+			     struct rte_flow_error *error);
 static int
 i40e_flow_parse_ethertype_pattern(struct rte_eth_dev *dev,
 				  const struct rte_flow_item *pattern,
@@ -117,6 +120,7 @@ static int i40e_flow_parse_tunnel_filter(struct rte_eth_dev *dev,
 const struct rte_flow_ops i40e_flow_ops = {
 	.validate = i40e_flow_validate,
 	.create = i40e_flow_create,
+	.destroy = i40e_flow_destroy,
 };
 
 union i40e_filter_t cons_filter;
@@ -1602,3 +1606,31 @@ free_flow:
 	rte_free(flow);
 	return NULL;
 }
+
+static int
+i40e_flow_destroy(struct rte_eth_dev *dev,
+		  struct rte_flow *flow,
+		  struct rte_flow_error *error)
+{
+	struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+	enum rte_filter_type filter_type = flow->filter_type;
+	int ret = 0;
+
+	switch (filter_type) {
+	default:
+		PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
+			    filter_type);
+		ret = -EINVAL;
+		break;
+	}
+
+	if (!ret) {
+		TAILQ_REMOVE(&pf->flow_list, flow, node);
+		rte_free(flow);
+	} else
+		rte_flow_error_set(error, -ret,
+				   RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+				   "Failed to destroy flow.");
+
+	return ret;
+}