net/i40e: flush tunnel filters

This patch adds i40e_flow_flush_tunnel_filter
function to flush all tunnel filters, including
filters in SW and HW.

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 dc5e655..76bb332 100644 (file)
--- a/drivers/net/i40e/i40e_flow.c
+++ b/drivers/net/i40e/i40e_flow.c
@@ -124,6 +124,7 @@ 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);
+static int i40e_flow_flush_tunnel_filter(struct i40e_pf *pf);
 
 const struct rte_flow_ops i40e_flow_ops = {
        .validate = i40e_flow_validate,
@@ -1748,6 +1749,14 @@ i40e_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error)
                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;
 }
 
@@ -1810,3 +1819,31 @@ i40e_flow_flush_ethertype_filter(struct i40e_pf *pf)
 
        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;
+}