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* [dpdk-dev] [PATCH 1/3] net/qede: fix VF vport creation sequence
@ 2018-02-03  6:03 Rasesh Mody
  2018-02-03  6:03 ` [dpdk-dev] [PATCH 2/3] net/qede: fix few log messages Rasesh Mody
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Rasesh Mody @ 2018-02-03  6:03 UTC (permalink / raw)
  To: dev; +Cc: Harish Patil, ferruh.yigit, Dept-EngDPDKDev, stable

From: Harish Patil <harish.patil@cavium.com>

Few adjustments are required to effectively handle VF vport create/delete
sequence. The problem is exposed by recent ethdev TX offload changes
which requires port to be in down state before applying TX offloads.

 - Move vport creation from dev_init() to dev_configure()
 - Force to stop vport if it was already started due to previous run
   (restart case)
 - Move link state enable/disable to dev_init() and dev_close()
   respectively.
 - For MTU change, recreate vport with new MTU value and restore old
   config. This is necessary since VF MTU value can be changed only upon
   vport creation.

Fixes: ec94dbc57362 ("qede: add base driver")
Cc: stable@dpdk.org

Signed-off-by: Harish Patil <harish.patil@cavium.com>
---
 drivers/net/qede/qede_ethdev.c |  159 +++++++++++++++++++---------------------
 drivers/net/qede/qede_ethdev.h |    3 +-
 drivers/net/qede/qede_rxtx.c   |    4 +
 3 files changed, 83 insertions(+), 83 deletions(-)

diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c
index 20a1c31..46e0e36 100644
--- a/drivers/net/qede/qede_ethdev.c
+++ b/drivers/net/qede/qede_ethdev.c
@@ -442,55 +442,59 @@ static void qede_reset_queue_stats(struct qede_dev *qdev, bool xstats)
 }
 
 static int
-qede_start_vport(struct qede_dev *qdev, uint16_t mtu)
+qede_stop_vport(struct ecore_dev *edev)
 {
-	struct ecore_dev *edev = QEDE_INIT_EDEV(qdev);
-	struct ecore_sp_vport_start_params params;
 	struct ecore_hwfn *p_hwfn;
+	uint8_t vport_id;
 	int rc;
 	int i;
 
-	memset(&params, 0, sizeof(params));
-	params.vport_id = 0;
-	params.mtu = mtu;
-	/* @DPDK - Disable FW placement */
-	params.zero_placement_offset = 1;
+	vport_id = 0;
 	for_each_hwfn(edev, i) {
 		p_hwfn = &edev->hwfns[i];
-		params.concrete_fid = p_hwfn->hw_info.concrete_fid;
-		params.opaque_fid = p_hwfn->hw_info.opaque_fid;
-		rc = ecore_sp_vport_start(p_hwfn, &params);
+		rc = ecore_sp_vport_stop(p_hwfn, p_hwfn->hw_info.opaque_fid,
+					 vport_id);
 		if (rc != ECORE_SUCCESS) {
-			DP_ERR(edev, "Start V-PORT failed %d\n", rc);
+			DP_ERR(edev, "Stop V-PORT failed rc = %d\n", rc);
 			return rc;
 		}
 	}
-	ecore_reset_vport_stats(edev);
-	if (IS_PF(edev))
-		qede_reset_queue_stats(qdev, true);
-	DP_INFO(edev, "VPORT started with MTU = %u\n", mtu);
+
+	DP_INFO(edev, "vport stopped\n");
 
 	return 0;
 }
 
 static int
-qede_stop_vport(struct ecore_dev *edev)
+qede_start_vport(struct qede_dev *qdev, uint16_t mtu)
 {
+	struct ecore_dev *edev = QEDE_INIT_EDEV(qdev);
+	struct ecore_sp_vport_start_params params;
 	struct ecore_hwfn *p_hwfn;
-	uint8_t vport_id;
 	int rc;
 	int i;
 
-	vport_id = 0;
+	if (qdev->vport_started)
+		qede_stop_vport(edev);
+
+	memset(&params, 0, sizeof(params));
+	params.vport_id = 0;
+	params.mtu = mtu;
+	/* @DPDK - Disable FW placement */
+	params.zero_placement_offset = 1;
 	for_each_hwfn(edev, i) {
 		p_hwfn = &edev->hwfns[i];
-		rc = ecore_sp_vport_stop(p_hwfn, p_hwfn->hw_info.opaque_fid,
-					 vport_id);
+		params.concrete_fid = p_hwfn->hw_info.concrete_fid;
+		params.opaque_fid = p_hwfn->hw_info.opaque_fid;
+		rc = ecore_sp_vport_start(p_hwfn, &params);
 		if (rc != ECORE_SUCCESS) {
-			DP_ERR(edev, "Stop V-PORT failed rc = %d\n", rc);
+			DP_ERR(edev, "Start V-PORT failed %d\n", rc);
 			return rc;
 		}
 	}
+	ecore_reset_vport_stats(edev);
+	qdev->vport_started = true;
+	DP_INFO(edev, "VPORT started with MTU = %u\n", mtu);
 
 	return 0;
 }
@@ -1194,6 +1198,8 @@ static int qede_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
 		DP_INFO(edev, "No offloads are supported with VLAN Q-in-Q"
 			" and classification is based on outer tag only\n");
 
+	qdev->vlan_offload_mask = mask;
+
 	DP_INFO(edev, "vlan offload mask %d vlan-strip %d vlan-filter %d\n",
 		mask, rxmode->hw_vlan_strip, rxmode->hw_vlan_filter);
 
@@ -1267,13 +1273,6 @@ static int qede_dev_start(struct rte_eth_dev *eth_dev)
 
 	PMD_INIT_FUNC_TRACE(edev);
 
-	/* Update MTU only if it has changed */
-	if (qdev->mtu != qdev->new_mtu) {
-		if (qede_update_mtu(eth_dev, qdev->new_mtu))
-			goto err;
-		qdev->mtu = qdev->new_mtu;
-	}
-
 	/* Configure TPA parameters */
 	if (rxmode->enable_lro) {
 		if (qede_enable_tpa(eth_dev, true))
@@ -1287,6 +1286,9 @@ static int qede_dev_start(struct rte_eth_dev *eth_dev)
 	if (qede_start_queues(eth_dev))
 		goto err;
 
+	if (IS_PF(edev))
+		qede_reset_queue_stats(qdev, true);
+
 	/* Newer SR-IOV PF driver expects RX/TX queues to be started before
 	 * enabling RSS. Hence RSS configuration is deferred upto this point.
 	 * Also, we would like to retain similar behavior in PF case, so we
@@ -1300,9 +1302,6 @@ static int qede_dev_start(struct rte_eth_dev *eth_dev)
 	if (qede_activate_vport(eth_dev, true))
 		goto err;
 
-	/* Bring-up the link */
-	qede_dev_set_link_state(eth_dev, true);
-
 	/* Update link status */
 	qede_link_update(eth_dev, 0);
 
@@ -1337,9 +1336,6 @@ static void qede_dev_stop(struct rte_eth_dev *eth_dev)
 	/* Disable traffic */
 	ecore_hw_stop_fastpath(edev); /* TBD - loop */
 
-	/* Bring the link down */
-	qede_dev_set_link_state(eth_dev, false);
-
 	DP_INFO(edev, "Device is stopped\n");
 }
 
@@ -1464,20 +1460,11 @@ static int qede_dev_configure(struct rte_eth_dev *eth_dev)
 	if (qede_check_fdir_support(eth_dev))
 		return -ENOTSUP;
 
-	/* Deallocate resources if held previously. It is needed only if the
-	 * queue count has been changed from previous configuration. If its
-	 * going to change then it means RX/TX queue setup will be called
-	 * again and the fastpath pointers will be reinitialized there.
-	 */
-	if (qdev->num_tx_queues != eth_dev->data->nb_tx_queues ||
-	    qdev->num_rx_queues != eth_dev->data->nb_rx_queues) {
-		qede_dealloc_fp_resc(eth_dev);
-		/* Proceed with updated queue count */
-		qdev->num_tx_queues = eth_dev->data->nb_tx_queues;
-		qdev->num_rx_queues = eth_dev->data->nb_rx_queues;
-		if (qede_alloc_fp_resc(qdev))
-			return -ENOMEM;
-	}
+	qede_dealloc_fp_resc(eth_dev);
+	qdev->num_tx_queues = eth_dev->data->nb_tx_queues;
+	qdev->num_rx_queues = eth_dev->data->nb_rx_queues;
+	if (qede_alloc_fp_resc(qdev))
+		return -ENOMEM;
 
 	/* If jumbo enabled adjust MTU */
 	if (eth_dev->data->dev_conf.rxmode.jumbo_frame)
@@ -1485,19 +1472,9 @@ static int qede_dev_configure(struct rte_eth_dev *eth_dev)
 				eth_dev->data->dev_conf.rxmode.max_rx_pkt_len -
 				ETHER_HDR_LEN - ETHER_CRC_LEN;
 
-	/* VF's MTU has to be set using vport-start where as
-	 * PF's MTU can be updated via vport-update.
-	 */
-	if (IS_VF(edev)) {
-		if (qede_start_vport(qdev, eth_dev->data->mtu))
-			return -1;
-	} else {
-		if (qede_update_mtu(eth_dev, eth_dev->data->mtu))
-			return -1;
-	}
-
+	if (qede_start_vport(qdev, eth_dev->data->mtu))
+		return -1;
 	qdev->mtu = eth_dev->data->mtu;
-	qdev->new_mtu = qdev->mtu;
 
 	/* Enable VLAN offloads by default */
 	ret = qede_vlan_offload_set(eth_dev, ETH_VLAN_STRIP_MASK  |
@@ -1711,12 +1688,15 @@ static void qede_dev_close(struct rte_eth_dev *eth_dev)
 		qede_dev_stop(eth_dev);
 
 	qede_stop_vport(edev);
+	qdev->vport_started = false;
 	qede_fdir_dealloc_resc(eth_dev);
 	qede_dealloc_fp_resc(eth_dev);
 
 	eth_dev->data->nb_rx_queues = 0;
 	eth_dev->data->nb_tx_queues = 0;
 
+	/* Bring the link down */
+	qede_dev_set_link_state(eth_dev, false);
 	qdev->ops->common->slowpath_stop(edev);
 	qdev->ops->common->remove(edev);
 	rte_intr_disable(&pci_dev->intr_handle);
@@ -2387,8 +2367,6 @@ static int qede_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
 	int i;
 
 	PMD_INIT_FUNC_TRACE(edev);
-	if (IS_VF(edev))
-		return -ENOTSUP;
 	qede_dev_info_get(dev, &dev_info);
 	max_rx_pkt_len = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
 	frame_size = max_rx_pkt_len + QEDE_ETH_OVERHEAD;
@@ -2415,7 +2393,9 @@ static int qede_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
 		restart = true;
 	}
 	rte_delay_ms(1000);
-	qdev->new_mtu = mtu;
+	qede_start_vport(qdev, mtu); /* Recreate vport */
+	qdev->mtu = mtu;
+
 	/* Fix up RX buf size for all queues of the port */
 	for_each_rss(i) {
 		fp = &qdev->fp_array[i];
@@ -2429,17 +2409,33 @@ static int qede_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
 				rx_buf_size = frame_size;
 			rx_buf_size = QEDE_CEIL_TO_CACHE_LINE_SIZE(rx_buf_size);
 			fp->rxq->rx_buf_size = rx_buf_size;
-			DP_INFO(edev, "buf_size adjusted to %u\n", rx_buf_size);
+			DP_INFO(edev, "RX buffer size %u\n", rx_buf_size);
 		}
 	}
 	if (max_rx_pkt_len > ETHER_MAX_LEN)
 		dev->data->dev_conf.rxmode.jumbo_frame = 1;
 	else
 		dev->data->dev_conf.rxmode.jumbo_frame = 0;
+
+	/* Restore config lost due to vport stop */
+	qede_mac_addr_set(dev, &qdev->primary_mac);
+	if (dev->data->promiscuous)
+		qede_promiscuous_enable(dev);
+	else
+		qede_promiscuous_disable(dev);
+
+	if (dev->data->all_multicast)
+		qede_allmulticast_enable(dev);
+	else
+		qede_allmulticast_disable(dev);
+
+	qede_vlan_offload_set(dev, qdev->vlan_offload_mask);
+
 	if (!dev->data->dev_started && restart) {
 		qede_dev_start(dev);
 		dev->data->dev_started = 1;
 	}
+
 	/* update max frame size */
 	dev->data->dev_conf.rxmode.max_rx_pkt_len = max_rx_pkt_len;
 	/* Reassign back */
@@ -3115,29 +3111,28 @@ static int qede_common_dev_init(struct rte_eth_dev *eth_dev, bool is_vf)
 		do_once = false;
 	}
 
+	/* Bring-up the link */
+	qede_dev_set_link_state(eth_dev, true);
+
 	adapter->num_tx_queues = 0;
 	adapter->num_rx_queues = 0;
 	SLIST_INIT(&adapter->fdir_info.fdir_list_head);
 	SLIST_INIT(&adapter->vlan_list_head);
 	SLIST_INIT(&adapter->uc_list_head);
 	adapter->mtu = ETHER_MTU;
-	adapter->new_mtu = ETHER_MTU;
-	if (!is_vf) {
-		if (qede_start_vport(adapter, adapter->mtu))
-			return -1;
-	} else {
-		/* VF tunnel offloads is enabled by default in PF driver */
-		adapter->vxlan.enable = true;
-		adapter->vxlan.num_filters = 0;
-		adapter->vxlan.filter_type = ETH_TUNNEL_FILTER_IMAC |
-					     ETH_TUNNEL_FILTER_IVLAN;
-		adapter->vxlan.udp_port = QEDE_VXLAN_DEF_PORT;
-		adapter->geneve.enable = true;
-		adapter->vxlan.num_filters = 0;
-		adapter->vxlan.filter_type = ETH_TUNNEL_FILTER_IMAC |
-					     ETH_TUNNEL_FILTER_IVLAN;
-		adapter->vxlan.udp_port = QEDE_GENEVE_DEF_PORT;
-	}
+	adapter->vport_started = false;
+
+	/* VF tunnel offloads is enabled by default in PF driver */
+	adapter->vxlan.enable = true;
+	adapter->vxlan.num_filters = 0;
+	adapter->vxlan.filter_type = ETH_TUNNEL_FILTER_IMAC |
+				     ETH_TUNNEL_FILTER_IVLAN;
+	adapter->vxlan.udp_port = QEDE_VXLAN_DEF_PORT;
+	adapter->geneve.enable = true;
+	adapter->vxlan.num_filters = 0;
+	adapter->vxlan.filter_type = ETH_TUNNEL_FILTER_IMAC |
+				     ETH_TUNNEL_FILTER_IVLAN;
+	adapter->vxlan.udp_port = QEDE_GENEVE_DEF_PORT;
 
 	DP_INFO(edev, "MAC address : %02x:%02x:%02x:%02x:%02x:%02x\n",
 		adapter->primary_mac.addr_bytes[0],
diff --git a/drivers/net/qede/qede_ethdev.h b/drivers/net/qede/qede_ethdev.h
index c7bb415..23f7e0e 100644
--- a/drivers/net/qede/qede_ethdev.h
+++ b/drivers/net/qede/qede_ethdev.h
@@ -187,7 +187,6 @@ struct qede_dev {
 	struct ecore_sb_info *sb_array;
 	struct qede_fastpath *fp_array;
 	uint16_t mtu;
-	uint16_t new_mtu;
 	bool enable_tx_switching;
 	bool rss_enable;
 	struct rte_eth_rss_conf rss_conf;
@@ -211,6 +210,8 @@ struct qede_dev {
 	struct qede_fdir_info fdir_info;
 	bool vlan_strip_flg;
 	char drv_ver[QEDE_PMD_DRV_VER_STR_SIZE];
+	bool vport_started;
+	int vlan_offload_mask;
 	void *ethdev;
 };
 
diff --git a/drivers/net/qede/qede_rxtx.c b/drivers/net/qede/qede_rxtx.c
index 810f0f3..169ede8 100644
--- a/drivers/net/qede/qede_rxtx.c
+++ b/drivers/net/qede/qede_rxtx.c
@@ -417,6 +417,8 @@ int qede_alloc_fp_resc(struct qede_dev *qdev)
 
 	for (sb_idx = 0; sb_idx < QEDE_RXTX_MAX(qdev); sb_idx++) {
 		fp = &qdev->fp_array[sb_idx];
+		if (!fp)
+			continue;
 		fp->sb_info = rte_calloc("sb", 1, sizeof(struct ecore_sb_info),
 				RTE_CACHE_LINE_SIZE);
 		if (!fp->sb_info) {
@@ -448,6 +450,8 @@ void qede_dealloc_fp_resc(struct rte_eth_dev *eth_dev)
 
 	for (sb_idx = 0; sb_idx < QEDE_RXTX_MAX(qdev); sb_idx++) {
 		fp = &qdev->fp_array[sb_idx];
+		if (!fp)
+			continue;
 		DP_INFO(edev, "Free sb_info index 0x%x\n",
 				fp->sb_info->igu_sb_id);
 		if (fp->sb_info) {
-- 
1.7.10.3

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [dpdk-dev] [PATCH 2/3] net/qede: fix few log messages
  2018-02-03  6:03 [dpdk-dev] [PATCH 1/3] net/qede: fix VF vport creation sequence Rasesh Mody
@ 2018-02-03  6:03 ` Rasesh Mody
  2018-02-03  6:03 ` [dpdk-dev] [PATCH 3/3] doc: qede: align dynamic log names with standard Rasesh Mody
  2018-02-05 16:34 ` [dpdk-dev] [PATCH 1/3] net/qede: fix VF vport creation sequence Ferruh Yigit
  2 siblings, 0 replies; 4+ messages in thread
From: Rasesh Mody @ 2018-02-03  6:03 UTC (permalink / raw)
  To: dev; +Cc: Rasesh Mody, ferruh.yigit, Dept-EngDPDKDev, stable

Fixes: 9e334305178f ("net/qede: fix MTU set and max Rx length")
Fixes: 22d07d939c3c ("net/qede/base: update")
Cc: stable@dpdk.org

Signed-off-by: Rasesh Mody <rasesh.mody@cavium.com>
---
 drivers/net/qede/base/ecore_dcbx.c |    7 +++----
 drivers/net/qede/qede_rxtx.c       |    2 +-
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/net/qede/base/ecore_dcbx.c b/drivers/net/qede/base/ecore_dcbx.c
index 632297a..21ddda9 100644
--- a/drivers/net/qede/base/ecore_dcbx.c
+++ b/drivers/net/qede/base/ecore_dcbx.c
@@ -216,10 +216,9 @@ u8 ecore_dcbx_get_dscp_value(struct ecore_hwfn *p_hwfn, u8 pri)
 		*type = DCBX_PROTOCOL_ETH;
 	} else {
 		*type = DCBX_MAX_PROTOCOL_TYPE;
-		DP_ERR(p_hwfn,
-		       "No action required, App TLV id = 0x%x"
-		       " app_prio_bitmap = 0x%x\n",
-		       id, app_prio_bitmap);
+		DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
+			    "No action required, App TLV entry = 0x%x\n",
+			   app_prio_bitmap);
 		return false;
 	}
 
diff --git a/drivers/net/qede/qede_rxtx.c b/drivers/net/qede/qede_rxtx.c
index 169ede8..0de7c6b 100644
--- a/drivers/net/qede/qede_rxtx.c
+++ b/drivers/net/qede/qede_rxtx.c
@@ -158,7 +158,7 @@ static inline int qede_alloc_rx_buffer(struct qede_rx_queue *rxq)
 	qdev->fp_array[queue_idx].rxq = rxq;
 
 	DP_INFO(edev, "rxq %d num_desc %u rx_buf_size=%u socket %u\n",
-		  queue_idx, nb_desc, qdev->mtu, socket_id);
+		  queue_idx, nb_desc, rxq->rx_buf_size, socket_id);
 
 	return 0;
 }
-- 
1.7.10.3

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [dpdk-dev] [PATCH 3/3] doc: qede: align dynamic log names with standard
  2018-02-03  6:03 [dpdk-dev] [PATCH 1/3] net/qede: fix VF vport creation sequence Rasesh Mody
  2018-02-03  6:03 ` [dpdk-dev] [PATCH 2/3] net/qede: fix few log messages Rasesh Mody
@ 2018-02-03  6:03 ` Rasesh Mody
  2018-02-05 16:34 ` [dpdk-dev] [PATCH 1/3] net/qede: fix VF vport creation sequence Ferruh Yigit
  2 siblings, 0 replies; 4+ messages in thread
From: Rasesh Mody @ 2018-02-03  6:03 UTC (permalink / raw)
  To: dev; +Cc: Rasesh Mody, ferruh.yigit, Dept-EngDPDKDev

Signed-off-by: Rasesh Mody <rasesh.mody@cavium.com>
---
 doc/guides/nics/qede.rst |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/guides/nics/qede.rst b/doc/guides/nics/qede.rst
index 0ca5084..63ce9b4 100644
--- a/doc/guides/nics/qede.rst
+++ b/doc/guides/nics/qede.rst
@@ -193,7 +193,7 @@ This section provides instructions to configure SR-IOV with Linux OS.
 
 
 #. Running testpmd
-   (Supply ``--log-level="pmd.qede.driver",7`` to view informational messages):
+   (Supply ``--log-level="pmd.net.qede.driver",7`` to view informational messages):
 
    Refer to the document
    :ref:`compiling and testing a PMD for a NIC <pmd_build_and_test>` to run
-- 
1.7.10.3

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [dpdk-dev] [PATCH 1/3] net/qede: fix VF vport creation sequence
  2018-02-03  6:03 [dpdk-dev] [PATCH 1/3] net/qede: fix VF vport creation sequence Rasesh Mody
  2018-02-03  6:03 ` [dpdk-dev] [PATCH 2/3] net/qede: fix few log messages Rasesh Mody
  2018-02-03  6:03 ` [dpdk-dev] [PATCH 3/3] doc: qede: align dynamic log names with standard Rasesh Mody
@ 2018-02-05 16:34 ` Ferruh Yigit
  2 siblings, 0 replies; 4+ messages in thread
From: Ferruh Yigit @ 2018-02-05 16:34 UTC (permalink / raw)
  To: Rasesh Mody, dev; +Cc: Harish Patil, Dept-EngDPDKDev, stable

On 2/3/2018 6:03 AM, Rasesh Mody wrote:
> From: Harish Patil <harish.patil@cavium.com>
> 
> Few adjustments are required to effectively handle VF vport create/delete
> sequence. The problem is exposed by recent ethdev TX offload changes
> which requires port to be in down state before applying TX offloads.
> 
>  - Move vport creation from dev_init() to dev_configure()
>  - Force to stop vport if it was already started due to previous run
>    (restart case)
>  - Move link state enable/disable to dev_init() and dev_close()
>    respectively.
>  - For MTU change, recreate vport with new MTU value and restore old
>    config. This is necessary since VF MTU value can be changed only upon
>    vport creation.
> 
> Fixes: ec94dbc57362 ("qede: add base driver")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Harish Patil <harish.patil@cavium.com>

Series applied to dpdk-next-net/master, thanks.

^ permalink raw reply	[flat|nested] 4+ messages in thread

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2018-02-03  6:03 [dpdk-dev] [PATCH 1/3] net/qede: fix VF vport creation sequence Rasesh Mody
2018-02-03  6:03 ` [dpdk-dev] [PATCH 2/3] net/qede: fix few log messages Rasesh Mody
2018-02-03  6:03 ` [dpdk-dev] [PATCH 3/3] doc: qede: align dynamic log names with standard Rasesh Mody
2018-02-05 16:34 ` [dpdk-dev] [PATCH 1/3] net/qede: fix VF vport creation sequence Ferruh Yigit

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