+
+static int
+i40e_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error)
+{
+ struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+ int ret;
+
+ ret = i40e_flow_flush_fdir_filter(pf);
+ 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;
+ }
+
+ ret = i40e_flow_flush_tunnel_filter(pf);
+ if (ret) {
+ rte_flow_error_set(error, -ret,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "Failed to flush tunnel flows.");
+ return -rte_errno;
+ }
+
+ return ret;
+}
+
+static int
+i40e_flow_flush_fdir_filter(struct i40e_pf *pf)
+{
+ struct rte_eth_dev *dev = pf->adapter->eth_dev;
+ struct i40e_fdir_info *fdir_info = &pf->fdir;
+ struct i40e_fdir_filter *fdir_filter;
+ struct rte_flow *flow;
+ void *temp;
+ int ret;
+
+ ret = i40e_fdir_flush(dev);
+ if (!ret) {
+ /* Delete FDIR filters in FDIR list. */
+ while ((fdir_filter = TAILQ_FIRST(&fdir_info->fdir_list))) {
+ ret = i40e_sw_fdir_filter_del(pf,
+ &fdir_filter->fdir.input);
+ if (ret < 0)
+ return ret;
+ }
+
+ /* Delete FDIR flows in flow list. */
+ TAILQ_FOREACH_SAFE(flow, &pf->flow_list, node, temp) {
+ if (flow->filter_type == RTE_ETH_FILTER_FDIR) {
+ TAILQ_REMOVE(&pf->flow_list, flow, node);
+ rte_free(flow);
+ }
+ }
+ }
+
+ 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 rte_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;
+}
+
+/* Flush all tunnel filters */
+static int
+i40e_flow_flush_tunnel_filter(struct i40e_pf *pf)
+{
+ struct i40e_tunnel_filter_list
+ *tunnel_list = &pf->tunnel.tunnel_list;
+ struct i40e_tunnel_filter *filter;
+ struct rte_flow *flow;
+ void *temp;
+ int ret = 0;
+
+ while ((filter = TAILQ_FIRST(tunnel_list))) {
+ ret = i40e_flow_destroy_tunnel_filter(pf, filter);
+ if (ret)
+ return ret;
+ }
+
+ /* Delete tunnel flows in flow list. */
+ TAILQ_FOREACH_SAFE(flow, &pf->flow_list, node, temp) {
+ if (flow->filter_type == RTE_ETH_FILTER_TUNNEL) {
+ TAILQ_REMOVE(&pf->flow_list, flow, node);
+ rte_free(flow);
+ }
+ }
+
+ return ret;
+}