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From: longli@linuxonhyperv.com
To: Ferruh Yigit <ferruh.yigit@xilinx.com>
Cc: dev@dpdk.org, Ajay Sharma <sharmaajay@microsoft.com>,
	Stephen Hemminger <sthemmin@microsoft.com>,
	Long Li <longli@microsoft.com>
Subject: [Patch v5 16/18] net/mana: add function to start/stop device
Date: Fri, 26 Aug 2022 17:35:07 -0700	[thread overview]
Message-ID: <1661560509-11009-17-git-send-email-longli@linuxonhyperv.com> (raw)
In-Reply-To: <1661560509-11009-1-git-send-email-longli@linuxonhyperv.com>

From: Long Li <longli@microsoft.com>

Add support for starting/stopping the device.

Signed-off-by: Long Li <longli@microsoft.com>
---
Change log:
v2:
Use spinlock for memory registration cache.
Add prefix mana_ to all function names.

 drivers/net/mana/mana.c | 70 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)

diff --git a/drivers/net/mana/mana.c b/drivers/net/mana/mana.c
index 0dcd3f3124..119fdfd8bc 100644
--- a/drivers/net/mana/mana.c
+++ b/drivers/net/mana/mana.c
@@ -97,6 +97,74 @@ static int mana_dev_configure(struct rte_eth_dev *dev)
 
 static int mana_intr_uninstall(struct mana_priv *priv);
 
+static int
+mana_dev_start(struct rte_eth_dev *dev)
+{
+	int ret;
+	struct mana_priv *priv = dev->data->dev_private;
+
+	rte_spinlock_init(&priv->mr_btree_lock);
+	ret = mana_mr_btree_init(&priv->mr_btree, MANA_MR_BTREE_CACHE_N,
+				 dev->device->numa_node);
+	if (ret) {
+		DRV_LOG(ERR, "Failed to init device MR btree %d", ret);
+		return ret;
+	}
+
+	ret = mana_start_tx_queues(dev);
+	if (ret) {
+		DRV_LOG(ERR, "failed to start tx queues %d", ret);
+		return ret;
+	}
+
+	ret = mana_start_rx_queues(dev);
+	if (ret) {
+		DRV_LOG(ERR, "failed to start rx queues %d", ret);
+		mana_stop_tx_queues(dev);
+		return ret;
+	}
+
+	rte_wmb();
+
+	dev->tx_pkt_burst = mana_tx_burst;
+	dev->rx_pkt_burst = mana_rx_burst;
+
+	DRV_LOG(INFO, "TX/RX queues have started");
+
+	/* Enable datapath for secondary processes */
+	mana_mp_req_on_rxtx(dev, MANA_MP_REQ_START_RXTX);
+
+	return 0;
+}
+
+static int
+mana_dev_stop(struct rte_eth_dev *dev __rte_unused)
+{
+	int ret;
+
+	dev->tx_pkt_burst = mana_tx_burst_removed;
+	dev->rx_pkt_burst = mana_rx_burst_removed;
+
+	/* Stop datapath on secondary processes */
+	mana_mp_req_on_rxtx(dev, MANA_MP_REQ_STOP_RXTX);
+
+	rte_wmb();
+
+	ret = mana_stop_tx_queues(dev);
+	if (ret) {
+		DRV_LOG(ERR, "failed to stop tx queues");
+		return ret;
+	}
+
+	ret = mana_stop_rx_queues(dev);
+	if (ret) {
+		DRV_LOG(ERR, "failed to stop tx queues");
+		return ret;
+	}
+
+	return 0;
+}
+
 static int
 mana_dev_close(struct rte_eth_dev *dev)
 {
@@ -435,6 +503,8 @@ static int mana_dev_link_update(struct rte_eth_dev *dev,
 
 const struct eth_dev_ops mana_dev_ops = {
 	.dev_configure		= mana_dev_configure,
+	.dev_start		= mana_dev_start,
+	.dev_stop		= mana_dev_stop,
 	.dev_close		= mana_dev_close,
 	.dev_infos_get		= mana_dev_info_get,
 	.txq_info_get		= mana_dev_tx_queue_info,
-- 
2.34.1


  parent reply	other threads:[~2022-08-27  0:36 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-27  0:34 [Patch v5 00/18] Introduce Microsoft Azure Network Adatper (MANA) PMD longli
2022-08-27  0:34 ` [Patch v5 01/18] net/mana: add basic driver, build environment and doc longli
2022-08-27  0:34 ` [Patch v5 02/18] net/mana: add device configuration and stop longli
2022-08-27  0:34 ` [Patch v5 03/18] net/mana: add function to report support ptypes longli
2022-08-27  0:34 ` [Patch v5 04/18] net/mana: add link update longli
2022-08-27  0:34 ` [Patch v5 05/18] net/mana: add function for device removal interrupts longli
2022-08-27  0:34 ` [Patch v5 06/18] net/mana: add device info longli
2022-08-27  0:34 ` [Patch v5 07/18] net/mana: add function to configure RSS longli
2022-08-27  0:34 ` [Patch v5 08/18] net/mana: add function to configure RX queues longli
2022-08-27  0:35 ` [Patch v5 09/18] net/mana: add function to configure TX queues longli
2022-08-27  0:35 ` [Patch v5 10/18] net/mana: implement memory registration longli
2022-08-27  0:35 ` [Patch v5 11/18] net/mana: implement the hardware layer operations longli
2022-08-27  0:35 ` [Patch v5 12/18] net/mana: add function to start/stop TX queues longli
2022-08-27  0:35 ` [Patch v5 13/18] net/mana: add function to start/stop RX queues longli
2022-08-27  0:35 ` [Patch v5 14/18] net/mana: add function to receive packets longli
2022-08-27  0:35 ` [Patch v5 15/18] net/mana: add function to send packets longli
2022-08-27  0:35 ` longli [this message]
2022-08-29  3:38   ` [Patch v5 16/18] net/mana: add function to start/stop device Suanming Mou
2022-08-30  1:09     ` Long Li
2022-08-27  0:35 ` [Patch v5 17/18] net/mana: add function to report queue stats longli
2022-08-27  0:35 ` [Patch v5 18/18] net/mana: add function to support RX interrupts longli

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