From: Jan Blunck <jblunck@infradead.org>
To: dev@dpdk.org
Cc: ferruh.yigit@intel.com, i.maximets@samsung.com,
bruce.richardson@intel.com, declan.doherty@intel.com
Subject: [dpdk-dev] [PATCH 3/4] ethdev: Add DPDK internal _rte_eth_dev_reset()
Date: Wed, 23 Nov 2016 20:38:31 +0100 [thread overview]
Message-ID: <1479929912-32079-3-git-send-email-jblunck@infradead.org> (raw)
In-Reply-To: <1479929912-32079-1-git-send-email-jblunck@infradead.org>
This is a helper for DPDK internal users to force a reconfiguration of a
device.
Signed-off-by: Jan Blunck <jblunck@infradead.org>
---
lib/librte_ether/rte_ethdev.c | 15 +++++++++++++++
lib/librte_ether/rte_ethdev.h | 13 +++++++++++++
lib/librte_ether/rte_ether_version.map | 6 ++++++
3 files changed, 34 insertions(+)
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index a3986ad..bd5787b 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -858,6 +858,21 @@ rte_eth_dev_configure(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
return 0;
}
+void
+_rte_eth_dev_reset(struct rte_eth_dev *dev)
+{
+ if (dev->data->dev_started) {
+ RTE_PMD_DEBUG_TRACE(
+ "port %d must be stopped to allow reset\n", port_id);
+ return;
+ }
+
+ rte_eth_dev_rx_queue_config(dev, 0);
+ rte_eth_dev_tx_queue_config(dev, 0);
+
+ memset(&dev->data->dev_conf, 0, sizeof(dev->data->dev_conf));
+}
+
static void
rte_eth_dev_config_restore(uint8_t port_id)
{
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 9678179..e0740db 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1914,6 +1914,19 @@ int rte_eth_dev_configure(uint8_t port_id, uint16_t nb_rx_queue,
uint16_t nb_tx_queue, const struct rte_eth_conf *eth_conf);
/**
+ * @internal Release a devices rx/tx queues and clear its configuration to
+ * force the user application to reconfigure it. It is for DPDK internal user
+ * only.
+ *
+ * @param dev
+ * Pointer to struct rte_eth_dev.
+ *
+ * @return
+ * void
+ */
+void _rte_eth_dev_reset(struct rte_eth_dev *dev);
+
+/**
* Allocate and set up a receive queue for an Ethernet device.
*
* The function allocates a contiguous block of memory for *nb_rx_desc*
diff --git a/lib/librte_ether/rte_ether_version.map b/lib/librte_ether/rte_ether_version.map
index 72be66d..0c31c5d 100644
--- a/lib/librte_ether/rte_ether_version.map
+++ b/lib/librte_ether/rte_ether_version.map
@@ -147,3 +147,9 @@ DPDK_16.11 {
rte_eth_dev_pci_remove;
} DPDK_16.07;
+
+DPDK_17.02 {
+ global:
+
+ _rte_eth_dev_reset;
+} DPDK_16.11;
--
2.7.4
next prev parent reply other threads:[~2016-11-23 19:40 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-07 12:28 [dpdk-dev] [PATCH] Revert "bonding: use existing enslaved device queues" Ilya Maximets
[not found] ` <CGME20160916050359eucas1p22998d07e190781e165082cdd9c917470@eucas1p2.samsung.com>
2016-09-16 5:03 ` Ilya Maximets
2016-10-06 14:32 ` Declan Doherty
2016-10-19 9:55 ` Bruce Richardson
2016-10-25 13:59 ` Bruce Richardson
2016-10-07 2:02 ` Eric Kinzie
2016-10-12 13:24 ` Ilya Maximets
2016-10-12 15:24 ` Bruce Richardson
2016-10-13 23:37 ` Eric Kinzie
2016-10-24 11:02 ` Declan Doherty
2016-10-24 14:51 ` Jan Blunck
2016-10-24 15:07 ` Declan Doherty
2016-10-25 12:57 ` Bruce Richardson
2016-10-25 13:48 ` Declan Doherty
2016-10-25 14:00 ` Bruce Richardson
2016-11-21 11:30 ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
2016-11-21 11:39 ` Jan Blunck
2016-11-21 12:49 ` Ilya Maximets
2016-11-21 13:11 ` Ilya Maximets
2016-11-23 20:35 ` Jan Blunck
2016-11-23 19:38 ` [dpdk-dev] [PATCH 1/4] ethdev: Call rx/tx_queue_release before rx/tx_queue_setup Jan Blunck
2016-11-23 19:38 ` [dpdk-dev] [PATCH 2/4] ethdev: Free rx/tx_queues after releasing all queues Jan Blunck
2016-11-23 19:38 ` Jan Blunck [this message]
2016-11-23 19:38 ` [dpdk-dev] [PATCH 4/4] bond: Force reconfiguration of removed slave interfaces Jan Blunck
2016-10-18 12:28 ` [dpdk-dev] [PATCH] Revert "bonding: use existing enslaved device queues" Jan Blunck
2016-10-18 12:49 ` Ilya Maximets
2016-10-18 15:19 ` Jan Blunck
2016-10-19 9:47 ` Ilya Maximets
2016-10-24 14:54 ` Jan Blunck
2016-10-25 6:26 ` Ilya Maximets
2016-10-28 6:14 ` Ilya Maximets
2016-11-11 9:16 ` Ilya Maximets
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