[PATCH] net/iavf: add VF reset check

[Zhichao Zeng]

This commit adds a VF reset check before the dev_reset, so that
the application can check if the iavf device comes out of reset
when calling the rte_eth_dev_reset.

Signed-off-by: Zhichao Zeng <zhichaox.zeng at intel.com>
---
 drivers/net/iavf/iavf_ethdev.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c
index e6cf897293..1cc4540c9d 100644
--- a/drivers/net/iavf/iavf_ethdev.c
+++ b/drivers/net/iavf/iavf_ethdev.c
@@ -2855,6 +2855,15 @@ static int
 iavf_dev_reset(struct rte_eth_dev *dev)
 {
 	int ret;
+	struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+	ret = iavf_check_vf_reset_done(hw);
+	if (ret) {
+		PMD_DRV_LOG(ERR, "Wait too long for reset done!\n");
+		return ret;
+	}
+
+	PMD_DRV_LOG(DEBUG, "Start dev_reset ...\n");
 
 	ret = iavf_dev_uninit(dev);
 	if (ret)
-- 
2.34.1