patches for DPDK stable branches
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From: Kevin Traynor <ktraynor@redhat.com>
To: Shahed Shaikh <shshaikh@marvell.com>
Cc: dpdk stable <stable@dpdk.org>
Subject: [dpdk-stable] patch 'net/qede: refactor Rx and Tx queue setup' has been queued to LTS release 18.11.6
Date: Fri, 22 Nov 2019 14:41:25 +0000
Message-ID: <20191122144131.21231-39-ktraynor@redhat.com> (raw)
In-Reply-To: <20191122144131.21231-1-ktraynor@redhat.com>

Hi,

FYI, your patch has been queued to LTS release 18.11.6

Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 11/29/19. So please
shout if anyone has objections.

Also note that after the patch there's a diff of the upstream commit vs the
patch applied to the branch. This will indicate if there was any rebasing
needed to apply to the stable branch. If there were code changes for rebasing
(ie: not only metadata diffs), please double check that the rebase was
correctly done.

Queued patches are on a temporary branch at:
https://github.com/kevintraynor/dpdk-stable-queue

This queued commit can be viewed at:
https://github.com/kevintraynor/dpdk-stable-queue/commit/13b44f308adbfc118afec6f7329e1dcf6e6cd9e4

Thanks.

Kevin.

---
From 13b44f308adbfc118afec6f7329e1dcf6e6cd9e4 Mon Sep 17 00:00:00 2001
From: Shahed Shaikh <shshaikh@marvell.com>
Date: Thu, 12 Sep 2019 08:24:12 -0700
Subject: [PATCH] net/qede: refactor Rx and Tx queue setup

[ upstream commit 642f25da9c561f6e831cb5ea6f7d79c04d804081 ]

This patch refactors Rx and Tx queue setup flow required to allow
odd number of queues to be configured in next patch.

This is the first patch of the series required to fix an issue
where qede port initialization in ovs-dpdk fails due to 1 Rx/Tx queue
configuration. Detailed explanation is given in next patch.

Fixes: 2af14ca79c0a ("net/qede: support 100G")

Signed-off-by: Shahed Shaikh <shshaikh@marvell.com>
---
 drivers/net/qede/qede_rxtx.c | 228 ++++++++++++++++++++++-------------
 1 file changed, 141 insertions(+), 87 deletions(-)

diff --git a/drivers/net/qede/qede_rxtx.c b/drivers/net/qede/qede_rxtx.c
index 03f7785b6..64fd9e063 100644
--- a/drivers/net/qede/qede_rxtx.c
+++ b/drivers/net/qede/qede_rxtx.c
@@ -125,34 +125,18 @@ qede_calc_rx_buf_size(struct rte_eth_dev *dev, uint16_t mbufsz,
 }
 
-int
-qede_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
-		    uint16_t nb_desc, unsigned int socket_id,
-		    __rte_unused const struct rte_eth_rxconf *rx_conf,
-		    struct rte_mempool *mp)
+static struct qede_rx_queue *
+qede_alloc_rx_queue_mem(struct rte_eth_dev *dev,
+			uint16_t queue_idx,
+			uint16_t nb_desc,
+			unsigned int socket_id,
+			struct rte_mempool *mp,
+			uint16_t bufsz)
 {
 	struct qede_dev *qdev = QEDE_INIT_QDEV(dev);
 	struct ecore_dev *edev = QEDE_INIT_EDEV(qdev);
-	struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
 	struct qede_rx_queue *rxq;
-	uint16_t max_rx_pkt_len;
-	uint16_t bufsz;
 	size_t size;
 	int rc;
 
-	PMD_INIT_FUNC_TRACE(edev);
-
-	/* Note: Ring size/align is controlled by struct rte_eth_desc_lim */
-	if (!rte_is_power_of_2(nb_desc)) {
-		DP_ERR(edev, "Ring size %u is not power of 2\n",
-			  nb_desc);
-		return -EINVAL;
-	}
-
-	/* Free memory prior to re-allocation if needed... */
-	if (dev->data->rx_queues[queue_idx] != NULL) {
-		qede_rx_queue_release(dev->data->rx_queues[queue_idx]);
-		dev->data->rx_queues[queue_idx] = NULL;
-	}
-
 	/* First allocate the rx queue data structure */
 	rxq = rte_zmalloc_socket("qede_rx_queue", sizeof(struct qede_rx_queue),
@@ -162,5 +146,5 @@ qede_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
 		DP_ERR(edev, "Unable to allocate memory for rxq on socket %u",
 			  socket_id);
-		return -ENOMEM;
+		return NULL;
 	}
 
@@ -171,25 +155,6 @@ qede_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
 	rxq->port_id = dev->data->port_id;
 
-	max_rx_pkt_len = (uint16_t)rxmode->max_rx_pkt_len;
 
-	/* Fix up RX buffer size */
-	bufsz = (uint16_t)rte_pktmbuf_data_room_size(mp) - RTE_PKTMBUF_HEADROOM;
-	/* cache align the mbuf size to simplfy rx_buf_size calculation */
-	bufsz = QEDE_FLOOR_TO_CACHE_LINE_SIZE(bufsz);
-	if ((rxmode->offloads & DEV_RX_OFFLOAD_SCATTER)	||
-	    (max_rx_pkt_len + QEDE_ETH_OVERHEAD) > bufsz) {
-		if (!dev->data->scattered_rx) {
-			DP_INFO(edev, "Forcing scatter-gather mode\n");
-			dev->data->scattered_rx = 1;
-		}
-	}
-
-	rc = qede_calc_rx_buf_size(dev, bufsz, max_rx_pkt_len);
-	if (rc < 0) {
-		rte_free(rxq);
-		return rc;
-	}
-
-	rxq->rx_buf_size = rc;
+	rxq->rx_buf_size = bufsz;
 
 	DP_INFO(edev, "mtu %u mbufsz %u bd_max_bytes %u scatter_mode %d\n",
@@ -204,5 +169,5 @@ qede_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
 		       " socket %u\n", socket_id);
 		rte_free(rxq);
-		return -ENOMEM;
+		return NULL;
 	}
 
@@ -222,5 +187,5 @@ qede_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
 		rte_free(rxq->sw_rx_ring);
 		rte_free(rxq);
-		return -ENOMEM;
+		return NULL;
 	}
 
@@ -241,12 +206,69 @@ qede_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
 		rte_free(rxq->sw_rx_ring);
 		rte_free(rxq);
+		return NULL;
+	}
+
+	return rxq;
+}
+
+int
+qede_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qid,
+		    uint16_t nb_desc, unsigned int socket_id,
+		    __rte_unused const struct rte_eth_rxconf *rx_conf,
+		    struct rte_mempool *mp)
+{
+	struct qede_dev *qdev = QEDE_INIT_QDEV(dev);
+	struct ecore_dev *edev = QEDE_INIT_EDEV(qdev);
+	struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
+	struct qede_rx_queue *rxq;
+	uint16_t max_rx_pkt_len;
+	uint16_t bufsz;
+	int rc;
+
+	PMD_INIT_FUNC_TRACE(edev);
+
+	/* Note: Ring size/align is controlled by struct rte_eth_desc_lim */
+	if (!rte_is_power_of_2(nb_desc)) {
+		DP_ERR(edev, "Ring size %u is not power of 2\n",
+			  nb_desc);
+		return -EINVAL;
+	}
+
+	/* Free memory prior to re-allocation if needed... */
+	if (dev->data->rx_queues[qid] != NULL) {
+		qede_rx_queue_release(dev->data->rx_queues[qid]);
+		dev->data->rx_queues[qid] = NULL;
+	}
+
+	max_rx_pkt_len = (uint16_t)rxmode->max_rx_pkt_len;
+
+	/* Fix up RX buffer size */
+	bufsz = (uint16_t)rte_pktmbuf_data_room_size(mp) - RTE_PKTMBUF_HEADROOM;
+	/* cache align the mbuf size to simplfy rx_buf_size calculation */
+	bufsz = QEDE_FLOOR_TO_CACHE_LINE_SIZE(bufsz);
+	if ((rxmode->offloads & DEV_RX_OFFLOAD_SCATTER)	||
+	    (max_rx_pkt_len + QEDE_ETH_OVERHEAD) > bufsz) {
+		if (!dev->data->scattered_rx) {
+			DP_INFO(edev, "Forcing scatter-gather mode\n");
+			dev->data->scattered_rx = 1;
+		}
+	}
+
+	rc = qede_calc_rx_buf_size(dev, bufsz, max_rx_pkt_len);
+	if (rc < 0)
+		return rc;
+
+	bufsz = rc;
+
+	rxq = qede_alloc_rx_queue_mem(dev, qid, nb_desc,
+				      socket_id, mp, bufsz);
+	if (!rxq)
 		return -ENOMEM;
-	}
 
-	dev->data->rx_queues[queue_idx] = rxq;
-	qdev->fp_array[queue_idx].rxq = rxq;
+	dev->data->rx_queues[qid] = rxq;
+	qdev->fp_array[qid].rxq = rxq;
 
 	DP_INFO(edev, "rxq %d num_desc %u rx_buf_size=%u socket %u\n",
-		  queue_idx, nb_desc, rxq->rx_buf_size, socket_id);
+		  qid, nb_desc, rxq->rx_buf_size, socket_id);
 
 	return 0;
@@ -279,4 +301,15 @@ static void qede_rx_queue_release_mbufs(struct qede_rx_queue *rxq)
 }
 
+static void _qede_rx_queue_release(struct qede_dev *qdev,
+				   struct ecore_dev *edev,
+				   struct qede_rx_queue *rxq)
+{
+	qede_rx_queue_release_mbufs(rxq);
+	qdev->ops->common->chain_free(edev, &rxq->rx_bd_ring);
+	qdev->ops->common->chain_free(edev, &rxq->rx_comp_ring);
+	rte_free(rxq->sw_rx_ring);
+	rte_free(rxq);
+}
+
 void qede_rx_queue_release(void *rx_queue)
 {
@@ -289,9 +322,5 @@ void qede_rx_queue_release(void *rx_queue)
 		edev = QEDE_INIT_EDEV(qdev);
 		PMD_INIT_FUNC_TRACE(edev);
-		qede_rx_queue_release_mbufs(rxq);
-		qdev->ops->common->chain_free(edev, &rxq->rx_bd_ring);
-		qdev->ops->common->chain_free(edev, &rxq->rx_comp_ring);
-		rte_free(rxq->sw_rx_ring);
-		rte_free(rxq);
+		_qede_rx_queue_release(qdev, edev, rxq);
 	}
 }
@@ -307,6 +336,6 @@ static int qede_rx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t rx_queue_id)
 	int rc;
 
-	if (rx_queue_id < eth_dev->data->nb_rx_queues) {
-		rxq = eth_dev->data->rx_queues[rx_queue_id];
+	if (rx_queue_id < qdev->num_rx_queues) {
+		rxq = qdev->fp_array[rx_queue_id].rxq;
 		hwfn_index = rx_queue_id % edev->num_hwfns;
 		p_hwfn = &edev->hwfns[hwfn_index];
@@ -330,10 +359,10 @@ static int qede_rx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t rx_queue_id)
 }
 
-int
-qede_tx_queue_setup(struct rte_eth_dev *dev,
-		    uint16_t queue_idx,
-		    uint16_t nb_desc,
-		    unsigned int socket_id,
-		    const struct rte_eth_txconf *tx_conf)
+static struct qede_tx_queue *
+qede_alloc_tx_queue_mem(struct rte_eth_dev *dev,
+			uint16_t queue_idx,
+			uint16_t nb_desc,
+			unsigned int socket_id,
+			const struct rte_eth_txconf *tx_conf)
 {
 	struct qede_dev *qdev = dev->data->dev_private;
@@ -342,18 +371,4 @@ qede_tx_queue_setup(struct rte_eth_dev *dev,
 	int rc;
 
-	PMD_INIT_FUNC_TRACE(edev);
-
-	if (!rte_is_power_of_2(nb_desc)) {
-		DP_ERR(edev, "Ring size %u is not power of 2\n",
-		       nb_desc);
-		return -EINVAL;
-	}
-
-	/* Free memory prior to re-allocation if needed... */
-	if (dev->data->tx_queues[queue_idx] != NULL) {
-		qede_tx_queue_release(dev->data->tx_queues[queue_idx]);
-		dev->data->tx_queues[queue_idx] = NULL;
-	}
-
 	txq = rte_zmalloc_socket("qede_tx_queue", sizeof(struct qede_tx_queue),
 				 RTE_CACHE_LINE_SIZE, socket_id);
@@ -363,5 +378,5 @@ qede_tx_queue_setup(struct rte_eth_dev *dev,
 		       "Unable to allocate memory for txq on socket %u",
 		       socket_id);
-		return -ENOMEM;
+		return NULL;
 	}
 
@@ -383,5 +398,5 @@ qede_tx_queue_setup(struct rte_eth_dev *dev,
 		       socket_id);
 		qede_tx_queue_release(txq);
-		return -ENOMEM;
+		return NULL;
 	}
 
@@ -398,5 +413,5 @@ qede_tx_queue_setup(struct rte_eth_dev *dev,
 		qdev->ops->common->chain_free(edev, &txq->tx_pbl);
 		qede_tx_queue_release(txq);
-		return -ENOMEM;
+		return NULL;
 	}
 
@@ -409,10 +424,42 @@ qede_tx_queue_setup(struct rte_eth_dev *dev,
 	    (txq->nb_tx_desc - QEDE_DEFAULT_TX_FREE_THRESH);
 
-	dev->data->tx_queues[queue_idx] = txq;
-	qdev->fp_array[queue_idx].txq = txq;
-
 	DP_INFO(edev,
 		  "txq %u num_desc %u tx_free_thresh %u socket %u\n",
 		  queue_idx, nb_desc, txq->tx_free_thresh, socket_id);
+	return txq;
+}
+
+int
+qede_tx_queue_setup(struct rte_eth_dev *dev,
+		    uint16_t queue_idx,
+		    uint16_t nb_desc,
+		    unsigned int socket_id,
+		    const struct rte_eth_txconf *tx_conf)
+{
+	struct qede_dev *qdev = dev->data->dev_private;
+	struct ecore_dev *edev = &qdev->edev;
+	struct qede_tx_queue *txq;
+
+	PMD_INIT_FUNC_TRACE(edev);
+
+	if (!rte_is_power_of_2(nb_desc)) {
+		DP_ERR(edev, "Ring size %u is not power of 2\n",
+		       nb_desc);
+		return -EINVAL;
+	}
+
+	/* Free memory prior to re-allocation if needed... */
+	if (dev->data->tx_queues[queue_idx] != NULL) {
+		qede_tx_queue_release(dev->data->tx_queues[queue_idx]);
+		dev->data->tx_queues[queue_idx] = NULL;
+	}
+
+	txq = qede_alloc_tx_queue_mem(dev, queue_idx, nb_desc,
+				      socket_id, tx_conf);
+	if (!txq)
+		return -ENOMEM;
+
+	dev->data->tx_queues[queue_idx] = txq;
+	qdev->fp_array[queue_idx].txq = txq;
 
 	return 0;
@@ -444,4 +491,14 @@ static void qede_tx_queue_release_mbufs(struct qede_tx_queue *txq)
 }
 
+static void _qede_tx_queue_release(struct qede_dev *qdev,
+				   struct ecore_dev *edev,
+				   struct qede_tx_queue *txq)
+{
+	qede_tx_queue_release_mbufs(txq);
+	qdev->ops->common->chain_free(edev, &txq->tx_pbl);
+	rte_free(txq->sw_tx_ring);
+	rte_free(txq);
+}
+
 void qede_tx_queue_release(void *tx_queue)
 {
@@ -454,8 +511,5 @@ void qede_tx_queue_release(void *tx_queue)
 		edev = QEDE_INIT_EDEV(qdev);
 		PMD_INIT_FUNC_TRACE(edev);
-		qede_tx_queue_release_mbufs(txq);
-		qdev->ops->common->chain_free(edev, &txq->tx_pbl);
-		rte_free(txq->sw_tx_ring);
-		rte_free(txq);
+		_qede_tx_queue_release(qdev, edev, txq);
 	}
 }
-- 
2.21.0

---
  Diff of the applied patch vs upstream commit (please double-check if non-empty:
---
--- -	2019-11-22 14:36:57.282241548 +0000
+++ 0039-net-qede-refactor-Rx-and-Tx-queue-setup.patch	2019-11-22 14:36:55.214148923 +0000
@@ -1 +1 @@
-From 642f25da9c561f6e831cb5ea6f7d79c04d804081 Mon Sep 17 00:00:00 2001
+From 13b44f308adbfc118afec6f7329e1dcf6e6cd9e4 Mon Sep 17 00:00:00 2001
@@ -5,0 +6,2 @@
+[ upstream commit 642f25da9c561f6e831cb5ea6f7d79c04d804081 ]
+
@@ -14 +15,0 @@
-Cc: stable@dpdk.org
@@ -22 +23 @@
-index c38cbb905..cb8ac9bf6 100644
+index 03f7785b6..64fd9e063 100644


  parent reply index

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-22 14:40 [dpdk-stable] patch 'net/bonding: fix out of bound access in LACP mode' " Kevin Traynor
2019-11-22 14:40 ` [dpdk-stable] patch 'net/bonding: fix LACP fast queue Rx handler' " Kevin Traynor
2019-11-22 14:40 ` [dpdk-stable] patch 'net/bonding: fix unicast packets filtering' " Kevin Traynor
2019-11-22 14:40 ` [dpdk-stable] patch 'net/i40e: fix VF runtime queues RSS config' " Kevin Traynor
2019-11-22 14:40 ` [dpdk-stable] patch 'ethdev: fix doc reference to FDIR disabled mode' " Kevin Traynor
2019-11-22 14:40 ` [dpdk-stable] patch 'net/af_packet: fix stale sockets' " Kevin Traynor
2019-11-22 14:40 ` [dpdk-stable] patch 'app/testpmd: remove duplicated Rx offload commands' " Kevin Traynor
2019-11-22 14:40 ` [dpdk-stable] patch 'net/atlantic: remove double function declaration' " Kevin Traynor
2019-11-22 14:40 ` [dpdk-stable] patch 'net/mlx4: fix build on ppc64' " Kevin Traynor
2019-11-22 14:40 ` [dpdk-stable] patch 'net/i40e: remove memory barrier from NEON Rx' " Kevin Traynor
2019-11-22 14:40 ` [dpdk-stable] patch 'net/i40e: remove compiler " Kevin Traynor
2019-11-22 14:40 ` [dpdk-stable] patch 'net/ixgbe: remove memory " Kevin Traynor
2019-11-22 14:40 ` [dpdk-stable] patch 'net/ixgbe: remove redundant assignment' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'net/vmxnet3: remove IP checksum from capabilities' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'ethdev: fix typos for ENOTSUP' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'net/ixgbe: fix queue interrupt for X552/557' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'net/ixgbe: enable new PF host mbox version' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'net/ixgbe: fix VF RSS offloads configuration' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'net/virtio: remove remaining simple Tx related stuff' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'doc: fix typo in virtio in-order Rx function name' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'doc: fix format in virtio guide' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'build: remove redundant libs from pkgconfig' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'net/mlx: fix meson build with custom dependency path' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'net/mlx: fix build with make and recent gcc' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'test/interrupt: account for race with callback' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'bus/pci: fix Intel IOMMU sysfs access check' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'examples/ipsec-secgw: fix unchecked return value' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'examples/ipsec-secgw: fix access to freed packet' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'security: fix doxygen fields' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'crypto/qat: fix digest length in XCBC capability' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'crypto/dpaa_sec: fix IOVA table' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'crypto/octeontx: enable unbinding' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'doc: fix AESNI-GCM limitations in crypto guide' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'examples/fips_validation: fix null dereferences' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'cryptodev: fix initialization on multi-process' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'drivers/crypto: remove some invalid comments' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'net/i40e: downgrade error log' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'net/mlx5: fix Rx CQ doorbell synchronization on aarch64' " Kevin Traynor
2019-11-22 14:41 ` Kevin Traynor [this message]
2019-11-22 14:41 ` [dpdk-stable] patch 'net/qede: fix odd number of queues usage in 100G mode' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'net/qede: fix RSS configuration as per new allocation method' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'net/qede: fix stats flow " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'ci: add missing dependencies for documentation' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'net/e1000: fix i219 hang on reset/close' " Kevin Traynor
2019-11-22 14:41 ` [dpdk-stable] patch 'net/e1000: fix memory barrier usage in Tx' " Kevin Traynor

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