[dpdk-dev] [PATCH v6 16/17] net/i40e: flush ethertype filters

[Beilei Xing]

This patch adds i40e_flow_flush_ethertype_filter
function to flush all ethertype filters, including
filters in SW and HW.

Signed-off-by: Beilei Xing <beilei.xing at intel.com>
---
 drivers/net/i40e/i40e_flow.c | 41 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 40 insertions(+), 1 deletion(-)

diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c
index f37bd76..1909455 100644
--- a/drivers/net/i40e/i40e_flow.c
+++ b/drivers/net/i40e/i40e_flow.c
@@ -123,6 +123,7 @@ static int i40e_flow_destroy_ethertype_filter(struct i40e_pf *pf,
 static int i40e_flow_destroy_tunnel_filter(struct i40e_pf *pf,
 					   struct i40e_tunnel_filter *filter);
 static int i40e_flow_flush_fdir_filter(struct i40e_pf *pf);
+static int i40e_flow_flush_ethertype_filter(struct i40e_pf *pf);
 
 const struct rte_flow_ops i40e_flow_ops = {
 	.validate = i40e_flow_validate,
@@ -1733,10 +1734,20 @@ i40e_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error)
 	int ret;
 
 	ret = i40e_flow_flush_fdir_filter(pf);
-	if (ret)
+	if (ret) {
 		rte_flow_error_set(error, -ret,
 				   RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
 				   "Failed to flush FDIR flows.");
+		return -rte_errno;
+	}
+
+	ret = i40e_flow_flush_ethertype_filter(pf);
+	if (ret) {
+		rte_flow_error_set(error, -ret,
+				   RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+				   "Failed to ethertype flush flows.");
+		return -rte_errno;
+	}
 
 	return ret;
 }
@@ -1772,3 +1783,31 @@ i40e_flow_flush_fdir_filter(struct i40e_pf *pf)
 
 	return ret;
 }
+
+/* Flush all ethertype filters */
+static int
+i40e_flow_flush_ethertype_filter(struct i40e_pf *pf)
+{
+	struct i40e_ethertype_filter_list
+		*ethertype_list = &pf->ethertype.ethertype_list;
+	struct i40e_ethertype_filter *filter;
+	struct i40e_flow *flow;
+	void *temp;
+	int ret = 0;
+
+	while ((filter = TAILQ_FIRST(ethertype_list))) {
+		ret = i40e_flow_destroy_ethertype_filter(pf, filter);
+		if (ret)
+			return ret;
+	}
+
+	/* Delete ethertype flows in flow list. */
+	TAILQ_FOREACH_SAFE(flow, &pf->flow_list, node, temp) {
+		if (flow->filter_type == RTE_ETH_FILTER_ETHERTYPE) {
+			TAILQ_REMOVE(&pf->flow_list, flow, node);
+			rte_free(flow);
+		}
+	}
+
+	return ret;
+}
-- 
2.5.5