diff --git a/lib/librte_pmd_i40e/i40e_ethdev_vf.c b/lib/librte_pmd_i40e/i40e_ethdev_vf.c
index 966f02f..9a8cdc8 100644
--- a/lib/librte_pmd_i40e/i40e_ethdev_vf.c
+++ b/lib/librte_pmd_i40e/i40e_ethdev_vf.c
@@ -537,78 +537,76 @@ static int
 i40evf_configure_queues(struct rte_eth_dev *dev)
 {
 	struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
-	struct i40e_virtchnl_vsi_queue_config_info *queue_info;
-	struct i40e_virtchnl_queue_pair_info *queue_cfg;
 	struct i40e_rx_queue **rxq =
 		(struct i40e_rx_queue **)dev->data->rx_queues;
 	struct i40e_tx_queue **txq =
 		(struct i40e_tx_queue **)dev->data->tx_queues;
-	int i, len, nb_qpairs, num_rxq, num_txq;
-	int err;
+	struct i40e_virtchnl_vsi_queue_config_info *vc_vqci;
+	struct i40e_virtchnl_queue_pair_info *vc_qpi;
 	struct vf_cmd_info args;
-	struct rte_pktmbuf_pool_private *mbp_priv;
+	uint16_t i, nb_qp = vf->num_queue_pairs;
+	const uint32_t size =
+		I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(vc_vqci, nb_qp);
+	uint8_t buff[size];
+	int ret;
 
-	nb_qpairs = vf->num_queue_pairs;
-	len = sizeof(*queue_info) + sizeof(*queue_cfg) * nb_qpairs;
-	queue_info = rte_zmalloc("queue_info", len, 0);
-	if (queue_info == NULL) {
-		PMD_INIT_LOG(ERR, "failed alloc memory for queue_info");
-		return -1;
-	}
-	queue_info->vsi_id = vf->vsi_res->vsi_id;
-	queue_info->num_queue_pairs = nb_qpairs;
-	queue_cfg = queue_info->qpair;
+	memset(buff, 0, sizeof(buff));
+	vc_vqci = (struct i40e_virtchnl_vsi_queue_config_info *)buff;
+	vc_vqci->vsi_id = vf->vsi_res->vsi_id;
+	vc_vqci->num_queue_pairs = nb_qp;
+	vc_qpi = vc_vqci->qpair;
 
-	num_rxq = dev->data->nb_rx_queues;
-	num_txq = dev->data->nb_tx_queues;
 	/*
 	 * PF host driver required to configure queues in pairs, which means
 	 * rxq_num should equals to txq_num. The actual usage won't always
 	 * work that way. The solution is fills 0 with HW ring option in case
 	 * they are not equal.
 	 */
-	for (i = 0; i < nb_qpairs; i++) {
+	for (i = 0; i < nb_qp; i++) {
 		/*Fill TX info */
-		queue_cfg->txq.vsi_id = queue_info->vsi_id;
-		queue_cfg->txq.queue_id = i;
-		if (i < num_txq) {
-			queue_cfg->txq.ring_len = txq[i]->nb_tx_desc;
-			queue_cfg->txq.dma_ring_addr = txq[i]->tx_ring_phys_addr;
+		vc_qpi->txq.vsi_id = vc_vqci->vsi_id;
+		vc_qpi->txq.queue_id = i;
+		if (i < dev->data->nb_tx_queues) {
+			vc_qpi->txq.ring_len = txq[i]->nb_tx_desc;
+			vc_qpi->txq.dma_ring_addr = txq[i]->tx_ring_phys_addr;
 		} else {
-			queue_cfg->txq.ring_len = 0;
-			queue_cfg->txq.dma_ring_addr = 0;
+			vc_qpi->txq.ring_len = 0;
+			vc_qpi->txq.dma_ring_addr = 0;
 		}
 
 		/* Fill RX info */
-		queue_cfg->rxq.vsi_id = queue_info->vsi_id;
-		queue_cfg->rxq.queue_id = i;
-		queue_cfg->rxq.max_pkt_size = vf->max_pkt_len;
-		if (i < num_rxq) {
-			mbp_priv = rte_mempool_get_priv(rxq[i]->mp);
-			queue_cfg->rxq.databuffer_size = mbp_priv->mbuf_data_room_size -
-						   RTE_PKTMBUF_HEADROOM;;
-			queue_cfg->rxq.ring_len = rxq[i]->nb_rx_desc;
-			queue_cfg->rxq.dma_ring_addr = rxq[i]->rx_ring_phys_addr;;
+		vc_qpi->rxq.vsi_id = vc_vqci->vsi_id;
+		vc_qpi->rxq.queue_id = i;
+		vc_qpi->rxq.max_pkt_size = vf->max_pkt_len;
+		if (i < dev->data->nb_rx_queues) {
+			struct rte_pktmbuf_pool_private *mbp_priv =
+				rte_mempool_get_priv(rxq[i]->mp);
+
+			vc_qpi->rxq.databuffer_size =
+				mbp_priv->mbuf_data_room_size -
+					RTE_PKTMBUF_HEADROOM;
+			vc_qpi->rxq.ring_len = rxq[i]->nb_rx_desc;
+			vc_qpi->rxq.dma_ring_addr = rxq[i]->rx_ring_phys_addr;
 		} else {
-			queue_cfg->rxq.ring_len = 0;
-			queue_cfg->rxq.dma_ring_addr = 0;
-			queue_cfg->rxq.databuffer_size = 0;
+			vc_qpi->rxq.ring_len = 0;
+			vc_qpi->rxq.dma_ring_addr = 0;
+			vc_qpi->rxq.databuffer_size = 0;
 		}
-		queue_cfg++;
+		vc_qpi++;
 	}
 
+	memset(&args, 0, sizeof(args));
 	args.ops = I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES;
-	args.in_args = (u8 *)queue_info;
-	args.in_args_size = len;
+	args.in_args = (uint8_t *)vc_vqci;
+	args.in_args_size = size;
 	args.out_buffer = cmd_result_buffer;
 	args.out_size = I40E_AQ_BUF_SZ;
-	err = i40evf_execute_vf_cmd(dev, &args);
-	if (err)
+	ret = i40evf_execute_vf_cmd(dev, &args);
+	if (ret)
 		PMD_DRV_LOG(ERR, "fail to execute command "
 			    "OP_CONFIG_VSI_QUEUES");
-	rte_free(queue_info);
 
-	return err;
+	return ret;
 }
 
 static int
diff --git a/lib/librte_pmd_i40e/i40e_pf.c b/lib/librte_pmd_i40e/i40e_pf.c
index f9049e1..f4b4f2d 100644
--- a/lib/librte_pmd_i40e/i40e_pf.c
+++ b/lib/librte_pmd_i40e/i40e_pf.c
@@ -413,29 +413,28 @@ i40e_pf_host_process_cmd_config_vsi_queues(struct i40e_pf_vf *vf,
 {
 	struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 	struct i40e_vsi *vsi = vf->vsi;
-	int ret = I40E_SUCCESS;
-	struct i40e_virtchnl_vsi_queue_config_info *qconfig =
-	    (struct i40e_virtchnl_vsi_queue_config_info *)msg;
-	int i;
-	struct i40e_virtchnl_queue_pair_info *qpair;
+	struct i40e_virtchnl_vsi_queue_config_info *vc_vqci =
+		(struct i40e_virtchnl_vsi_queue_config_info *)msg;
+	struct i40e_virtchnl_queue_pair_info *vc_qpi;
+	int i, ret = I40E_SUCCESS;
 
-	if (msg == NULL || msglen <= sizeof(*qconfig) ||
-		qconfig->num_queue_pairs > vsi->nb_qps) {
+	if (msg == NULL || msglen <= sizeof(*vc_vqci) ||
+		vc_vqci->num_queue_pairs > vsi->nb_qps) {
 		PMD_DRV_LOG(ERR, "vsi_queue_config_info argument wrong");
 		ret = I40E_ERR_PARAM;
 		goto send_msg;
 	}
 
-	qpair = qconfig->qpair;
-	for (i = 0; i < qconfig->num_queue_pairs; i++) {
-		if (qpair[i].rxq.queue_id > vsi->nb_qps - 1 ||
-			qpair[i].txq.queue_id > vsi->nb_qps - 1) {
+	vc_qpi = vc_vqci->qpair;
+	for (i = 0; i < vc_vqci->num_queue_pairs; i++) {
+		if (vc_qpi[i].rxq.queue_id > vsi->nb_qps - 1 ||
+			vc_qpi[i].txq.queue_id > vsi->nb_qps - 1) {
 			ret = I40E_ERR_PARAM;
 			goto send_msg;
 		}
 
 		/* Apply VF RX queue setting to HMC */
-		if (i40e_pf_host_hmc_config_rxq(hw, vf, &qpair[i].rxq)
+		if (i40e_pf_host_hmc_config_rxq(hw, vf, &vc_qpi[i].rxq)
 			!= I40E_SUCCESS) {
 			PMD_DRV_LOG(ERR, "Configure RX queue HMC failed");
 			ret = I40E_ERR_PARAM;
@@ -443,7 +442,7 @@ i40e_pf_host_process_cmd_config_vsi_queues(struct i40e_pf_vf *vf,
 		}
 
 		/* Apply VF TX queue setting to HMC */
-		if (i40e_pf_host_hmc_config_txq(hw, vf, &qpair[i].txq)
+		if (i40e_pf_host_hmc_config_txq(hw, vf, &vc_qpi[i].txq)
 			!= I40E_SUCCESS) {
 			PMD_DRV_LOG(ERR, "Configure TX queue HMC failed");
 			ret = I40E_ERR_PARAM;
@@ -454,6 +453,7 @@ i40e_pf_host_process_cmd_config_vsi_queues(struct i40e_pf_vf *vf,
 send_msg:
 	i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
 							ret, NULL, 0);
+
 	return ret;
 }
 
@@ -660,7 +660,6 @@ send_msg:
 	return ret;
 }
 
-
 static int
 i40e_pf_host_process_cmd_add_vlan(struct i40e_pf_vf *vf,
 				uint8_t *msg, uint16_t msglen)
@@ -874,8 +873,7 @@ i40e_pf_host_handle_vf_msg(struct rte_eth_dev *dev,
 		break;
 	case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
 		PMD_DRV_LOG(INFO, "OP_CONFIG_VSI_QUEUES received");
-		i40e_pf_host_process_cmd_config_vsi_queues(vf,
-						msg, msglen);
+		i40e_pf_host_process_cmd_config_vsi_queues(vf, msg, msglen);
 		break;
 	case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
 		PMD_DRV_LOG(INFO, "OP_CONFIG_IRQ_MAP received");
@@ -883,23 +881,19 @@ i40e_pf_host_handle_vf_msg(struct rte_eth_dev *dev,
 		break;
 	case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
 		PMD_DRV_LOG(INFO, "OP_ENABLE_QUEUES received");
-		i40e_pf_host_process_cmd_enable_queues(vf,
-						msg, msglen);
+		i40e_pf_host_process_cmd_enable_queues(vf, msg, msglen);
 		break;
 	case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
 		PMD_DRV_LOG(INFO, "OP_DISABLE_QUEUE received");
-		i40e_pf_host_process_cmd_disable_queues(vf,
-						msg, msglen);
+		i40e_pf_host_process_cmd_disable_queues(vf, msg, msglen);
 		break;
 	case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
 		PMD_DRV_LOG(INFO, "OP_ADD_ETHER_ADDRESS received");
-		i40e_pf_host_process_cmd_add_ether_address(vf,
-						msg, msglen);
+		i40e_pf_host_process_cmd_add_ether_address(vf, msg, msglen);
 		break;
 	case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
 		PMD_DRV_LOG(INFO, "OP_DEL_ETHER_ADDRESS received");
-		i40e_pf_host_process_cmd_del_ether_address(vf,
-						msg, msglen);
+		i40e_pf_host_process_cmd_del_ether_address(vf, msg, msglen);
 		break;
 	case I40E_VIRTCHNL_OP_ADD_VLAN:
 		PMD_DRV_LOG(INFO, "OP_ADD_VLAN received");
@@ -936,8 +930,8 @@ i40e_pf_host_handle_vf_msg(struct rte_eth_dev *dev,
 		PMD_DRV_LOG(ERR, "OP_FCOE received, not supported");
 	default:
 		PMD_DRV_LOG(ERR, "%u received, not supported", opcode);
-		i40e_pf_host_send_msg_to_vf(vf, opcode,
-				I40E_ERR_PARAM, NULL, 0);
+		i40e_pf_host_send_msg_to_vf(vf, opcode, I40E_ERR_PARAM,
+								NULL, 0);
 		break;
 	}
 }
diff --git a/lib/librte_pmd_i40e/i40e_pf.h b/lib/librte_pmd_i40e/i40e_pf.h
index 41b6826..ce5a978 100644
--- a/lib/librte_pmd_i40e/i40e_pf.h
+++ b/lib/librte_pmd_i40e/i40e_pf.h
@@ -46,28 +46,43 @@
 /* Default setting on number of VSIs that VF can contain */
 #define I40E_DEFAULT_VF_VSI_NUM 1
 
+#define I40E_DPDK_OFFSET  0x100
+
 enum i40e_pf_vfr_state {
 	I40E_PF_VFR_INPROGRESS = 0,
 	I40E_PF_VFR_COMPLETED = 1,
 };
 
 /* DPDK pf driver specific command to VF */
-enum i40e_virtchnl_ops_DPDK {
-	/* Keep some gap between Linu PF commands and DPDK PF specific commands */
-	I40E_VIRTCHNL_OP_GET_LINK_STAT = I40E_VIRTCHNL_OP_EVENT + 0x100,
+enum i40e_virtchnl_ops_dpdk {
+	/*
+	 * Keep some gap between Linux PF commands and
+	 * DPDK PF extended commands.
+	 */
+	I40E_VIRTCHNL_OP_GET_LINK_STAT = I40E_VIRTCHNL_OP_VERSION +
+						I40E_DPDK_OFFSET,
 	I40E_VIRTCHNL_OP_CFG_VLAN_OFFLOAD,
 	I40E_VIRTCHNL_OP_CFG_VLAN_PVID,
 };
+
 struct i40e_virtchnl_vlan_offload_info {
 	uint16_t vsi_id;
 	uint8_t enable_vlan_strip;
 	uint8_t reserved;
 };
 
-/* I40E_VIRTCHNL_OP_CFG_VLAN_PVID
- * VF sends this message to enable/disable pvid. If it's enable op, needs to specify the
- * pvid.
- * PF returns status code in retval.
+/*
+ * Macro to calculate the memory size for configuring VSI queues
+ * via virtual channel.
+ */
+#define I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(x, n) \
+	(sizeof(*(x)) + sizeof((x)->qpair[0]) * (n))
+
+/*
+ * I40E_VIRTCHNL_OP_CFG_VLAN_PVID
+ * VF sends this message to enable/disable pvid. If it's
+ * enable op, needs to specify the pvid. PF returns status
+ * code in retval.
  */
 struct i40e_virtchnl_pvid_info {
 	uint16_t vsi_id;
