net/i40e: fix LSC interrupt

If LSC flag is changed to off at last device start, the
enable flag is not cleared in HW.
This patch fixes it.

Fixes: f4668a33efe5 ("net/i40e: fix link status change interrupt")
Cc: stable@dpdk.org
Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index cc4b2ad..0f69810 100644 (file)
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -2016,7 +2016,7 @@ i40e_dev_start(struct rte_eth_dev *dev)
                if (dev->data->dev_conf.intr_conf.lsc != 0)
                        PMD_INIT_LOG(INFO,
                                "lsc won't enable because of no intr multiplex");
-       } else if (dev->data->dev_conf.intr_conf.lsc != 0) {
+       } else {
                ret = i40e_aq_set_phy_int_mask(hw,
                                               ~(I40E_AQ_EVENT_LINK_UPDOWN |
                                               I40E_AQ_EVENT_MODULE_QUAL_FAIL |
@@ -2024,7 +2024,7 @@ i40e_dev_start(struct rte_eth_dev *dev)
                if (ret != I40E_SUCCESS)
                        PMD_DRV_LOG(WARNING, "Fail to set phy mask");
 
-               /* Call get_link_info aq commond to enable LSE */
+               /* Call get_link_info aq commond to enable/disable LSE */
                i40e_dev_link_update(dev, 0);
        }