net/i40e: config flow director automatically

[dpdk.git] / drivers / net / i40e / i40e_ethdev.c

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 538aea4..f7a685c 100644 (file)
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -1787,6 +1787,10 @@ i40e_dev_configure(struct rte_eth_dev *dev)
        ad->tx_simple_allowed = true;
        ad->tx_vec_allowed = true;
 
+       /* Only legacy filter API needs the following fdir config. So when the
+        * legacy filter API is deprecated, the following codes should also be
+        * removed.
+        */
        if (dev->data->dev_conf.fdir_conf.mode == RTE_FDIR_MODE_PERFECT) {
                ret = i40e_fdir_setup(pf);
                if (ret != I40E_SUCCESS) {
@@ -1844,7 +1848,11 @@ err_dcb:
        rte_free(pf->vmdq);
        pf->vmdq = NULL;
 err:
-       /* need to release fdir resource if exists */
+       /* Need to release fdir resource if exists.
+        * Only legacy filter API needs the following fdir config. So when the
+        * legacy filter API is deprecated, the following code should also be
+        * removed.
+        */
        i40e_fdir_teardown(pf);
        return ret;
 }
@@ -2482,6 +2490,11 @@ i40e_dev_close(struct rte_eth_dev *dev)
        i40e_pf_disable_irq0(hw);
        rte_intr_disable(intr_handle);
 
+       /*
+        * Only legacy filter API needs the following fdir config. So when the
+        * legacy filter API is deprecated, the following code should also be
+        * removed.
+        */
        i40e_fdir_teardown(pf);
 
        /* shutdown and destroy the HMC */