net/i40e: fix flow director rule destroy

We should tear down the fdir when the last flow is destroyed, current
logic is opposite to expected behavior, this patch fixes this issue.

Fixes: 2e67a7fbf3ff ("net/i40e: config flow director automatically")
Cc: stable@dpdk.org
Signed-off-by: Xiaolong Ye <xiaolong.ye@intel.com>
Acked-by: Beilei Xing <beilei.xing@intel.com>

diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c
index 3c0af70..c60c9e2 100644 (file)
--- a/drivers/net/i40e/i40e_flow.c
+++ b/drivers/net/i40e/i40e_flow.c
@@ -4771,7 +4771,7 @@ i40e_flow_destroy(struct rte_eth_dev *dev,
                       &((struct i40e_fdir_filter *)flow->rule)->fdir, 0);
 
                /* If the last flow is destroyed, disable fdir. */
-               if (!ret && !TAILQ_EMPTY(&pf->fdir.fdir_list)) {
+               if (!ret && TAILQ_EMPTY(&pf->fdir.fdir_list)) {
                        i40e_fdir_teardown(pf);
                        dev->data->dev_conf.fdir_conf.mode =
                                   RTE_FDIR_MODE_NONE;