diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
index eca716a..faff77e 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -91,7 +91,8 @@ static int i40evf_vlan_filter_set(struct rte_eth_dev *dev,
 				  uint16_t vlan_id, int on);
 static int i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask);
 static void i40evf_dev_close(struct rte_eth_dev *dev);
-static int  i40evf_dev_reset(struct rte_eth_dev *dev);
+static int i40evf_dev_reset(struct rte_eth_dev *dev);
+static int i40evf_check_vf_reset_done(struct rte_eth_dev *dev);
 static int i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev);
 static int i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev);
 static int i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev);
@@ -519,10 +520,19 @@ struct rte_i40evf_xstats_name_off {
 
 	err = i40evf_execute_vf_cmd(dev, &args);
 
-	if (err)
+	if (err) {
 		PMD_DRV_LOG(ERR, "fail to execute command "
 			    "CONFIG_PROMISCUOUS_MODE");
-	return err;
+
+		if (err == I40E_NOT_SUPPORTED)
+			return -ENOTSUP;
+
+		return -EAGAIN;
+	}
+
+	vf->promisc_unicast_enabled = enable_unicast;
+	vf->promisc_multicast_enabled = enable_multicast;
+	return 0;
 }
 
 static int
@@ -1081,12 +1091,31 @@ static int i40evf_dev_xstats_get(struct rte_eth_dev *dev,
 	args.out_size = I40E_AQ_BUF_SZ;
 
 	rte_eal_alarm_cancel(i40evf_dev_alarm_handler, dev);
+
 	err = i40evf_execute_vf_cmd(dev, &args);
-	if (err)
+	if (err != I40E_SUCCESS) {
+		rte_eal_alarm_set(I40EVF_ALARM_INTERVAL,
+				  i40evf_dev_alarm_handler, dev);
 		PMD_DRV_LOG(ERR, "fail to execute command OP_REQUEST_QUEUES");
+		return err;
+	}
 
 	rte_eal_alarm_set(I40EVF_ALARM_INTERVAL,
 			  i40evf_dev_alarm_handler, dev);
+
+	/*
+	 * The PF will issue a reset to the VF when change the number of
+	 * queues. The PF will set I40E_VFGEN_RSTAT to COMPLETE first, then
+	 * wait 10ms and set it to ACTIVE. In this duration, vf may not catch
+	 * the moment that COMPLETE is set. So, for vf, we'll try to wait a
+	 * long time.
+	 */
+	rte_delay_ms(100);
+
+	err = i40evf_check_vf_reset_done(dev);
+	if (err)
+		PMD_DRV_LOG(ERR, "VF is still resetting");
+
 	return err;
 }
 
@@ -1514,7 +1543,7 @@ static int i40evf_dev_xstats_get(struct rte_eth_dev *dev,
 	hw->bus.device = pci_dev->addr.devid;
 	hw->bus.func = pci_dev->addr.function;
 	hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
-	hw->adapter_stopped = 0;
+	hw->adapter_stopped = 1;
 	hw->adapter_closed = 0;
 
 	/* Pass the information to the rte_eth_dev_close() that it should also
@@ -1610,10 +1639,26 @@ static int eth_i40evf_pci_remove(struct rte_pci_device *pci_dev)
 	ad->tx_vec_allowed = true;
 
 	if (num_queue_pairs > vf->vsi_res->num_queue_pairs) {
-		int ret = 0;
+		struct i40e_hw *hw;
+		int ret;
+
+		/* For secondary processes, we don't configure queue pairs
+		 * any further as primary has already done this work.
+		 */
+		if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+			PMD_DRV_LOG(ERR,
+				    "For secondary processes, change queue pairs is not supported!");
+			return -ENOTSUP;
+		}
 
+		hw  = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 		PMD_DRV_LOG(INFO, "change queue pairs from %u to %u",
 			    vf->vsi_res->num_queue_pairs, num_queue_pairs);
+		if (hw->adapter_stopped == 0) {
+			PMD_DRV_LOG(ERR, "Device must be stopped first!");
+			return -EBUSY;
+		}
+
 		ret = i40evf_request_queues(dev, num_queue_pairs);
 		if (ret != 0)
 			return ret;
@@ -2182,68 +2227,32 @@ static int eth_i40evf_pci_remove(struct rte_pci_device *pci_dev)
 i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev)
 {
 	struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
-	int ret;
-
-	ret = i40evf_config_promisc(dev, 1, vf->promisc_multicast_enabled);
-	if (ret == 0)
-		vf->promisc_unicast_enabled = TRUE;
-	else if (ret == I40E_NOT_SUPPORTED)
-		ret = -ENOTSUP;
-	else
-		ret = -EAGAIN;
 
-	return ret;
+	return i40evf_config_promisc(dev, true, vf->promisc_multicast_enabled);
 }
 
 static int
 i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev)
 {
 	struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
-	int ret;
-
-	ret = i40evf_config_promisc(dev, 0, vf->promisc_multicast_enabled);
-	if (ret == 0)
-		vf->promisc_unicast_enabled = FALSE;
-	else if (ret == I40E_NOT_SUPPORTED)
-		ret = -ENOTSUP;
-	else
-		ret = -EAGAIN;
 
-	return ret;
+	return i40evf_config_promisc(dev, false, vf->promisc_multicast_enabled);
 }
 
 static int
 i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev)
 {
 	struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
-	int ret;
-
-	ret = i40evf_config_promisc(dev, vf->promisc_unicast_enabled, 1);
-	if (ret == 0)
-		vf->promisc_multicast_enabled = TRUE;
-	else if (ret == I40E_NOT_SUPPORTED)
-		ret = -ENOTSUP;
-	else
-		ret = -EAGAIN;
 
-	return ret;
+	return i40evf_config_promisc(dev, vf->promisc_unicast_enabled, true);
 }
 
 static int
 i40evf_dev_allmulticast_disable(struct rte_eth_dev *dev)
 {
 	struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
-	int ret;
 
-	ret = i40evf_config_promisc(dev, vf->promisc_unicast_enabled, 0);
-	if (ret == 0)
-		vf->promisc_multicast_enabled = FALSE;
-	else if (ret == I40E_NOT_SUPPORTED)
-		ret = -ENOTSUP;
-	else
-		ret = -EAGAIN;
-
-	return ret;
+	return i40evf_config_promisc(dev, vf->promisc_unicast_enabled, false);
 }
 
 static int
@@ -2365,8 +2374,9 @@ static int eth_i40evf_pci_remove(struct rte_pci_device *pci_dev)
 	 * it is a workaround solution when work with kernel driver
 	 * and it is not the normal way
 	 */
-	i40evf_dev_promiscuous_disable(dev);
-	i40evf_dev_allmulticast_disable(dev);
+	if (vf->promisc_unicast_enabled || vf->promisc_multicast_enabled)
+		i40evf_config_promisc(dev, false, false);
+
 	rte_eal_alarm_cancel(i40evf_dev_alarm_handler, dev);
 
 	i40evf_reset_vf(dev);
