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From: Nithin Dabilpuram <ndabilpuram@marvell.com>
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Date: Fri, 18 Jun 2021 16:07:25 +0530
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Subject: [dpdk-dev] [PATCH v3 46/62] net/cnxk: add device close and reset
operations
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From: Sunil Kumar Kori <skori@marvell.com>
Patch implements device close and reset operations for cn9k
and cn10k platforms.
Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
---
drivers/net/cnxk/cnxk_ethdev.c | 35 ++++++++++++++++++++++++++++-------
1 file changed, 28 insertions(+), 7 deletions(-)
diff --git a/drivers/net/cnxk/cnxk_ethdev.c b/drivers/net/cnxk/cnxk_ethdev.c
index 288e069..3929e7e 100644
--- a/drivers/net/cnxk/cnxk_ethdev.c
+++ b/drivers/net/cnxk/cnxk_ethdev.c
@@ -1154,6 +1154,9 @@ cnxk_nix_dev_start(struct rte_eth_dev *eth_dev)
return rc;
}
+static int cnxk_nix_dev_reset(struct rte_eth_dev *eth_dev);
+static int cnxk_nix_dev_close(struct rte_eth_dev *eth_dev);
+
/* CNXK platform independent eth dev ops */
struct eth_dev_ops cnxk_eth_dev_ops = {
.mtu_set = cnxk_nix_mtu_set,
@@ -1165,6 +1168,8 @@ struct eth_dev_ops cnxk_eth_dev_ops = {
.tx_queue_release = cnxk_nix_tx_queue_release,
.rx_queue_release = cnxk_nix_rx_queue_release,
.dev_stop = cnxk_nix_dev_stop,
+ .dev_close = cnxk_nix_dev_close,
+ .dev_reset = cnxk_nix_dev_reset,
.tx_queue_start = cnxk_nix_tx_queue_start,
.rx_queue_start = cnxk_nix_rx_queue_start,
.rx_queue_stop = cnxk_nix_rx_queue_stop,
@@ -1304,7 +1309,7 @@ cnxk_eth_dev_init(struct rte_eth_dev *eth_dev)
}
static int
-cnxk_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close)
+cnxk_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool reset)
{
struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
const struct eth_dev_ops *dev_ops = eth_dev->dev_ops;
@@ -1358,14 +1363,11 @@ cnxk_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close)
rte_free(eth_dev->data->mac_addrs);
eth_dev->data->mac_addrs = NULL;
- /* Check if mbox close is needed */
- if (!mbox_close)
- return 0;
-
rc = roc_nix_dev_fini(nix);
/* Can be freed later by PMD if NPA LF is in use */
if (rc == -EAGAIN) {
- eth_dev->data->dev_private = NULL;
+ if (!reset)
+ eth_dev->data->dev_private = NULL;
return 0;
} else if (rc) {
plt_err("Failed in nix dev fini, rc=%d", rc);
@@ -1374,6 +1376,25 @@ cnxk_eth_dev_uninit(struct rte_eth_dev *eth_dev, bool mbox_close)
return rc;
}
+static int
+cnxk_nix_dev_close(struct rte_eth_dev *eth_dev)
+{
+ cnxk_eth_dev_uninit(eth_dev, false);
+ return 0;
+}
+
+static int
+cnxk_nix_dev_reset(struct rte_eth_dev *eth_dev)
+{
+ int rc;
+
+ rc = cnxk_eth_dev_uninit(eth_dev, true);
+ if (rc)
+ return rc;
+
+ return cnxk_eth_dev_init(eth_dev);
+}
+
int
cnxk_nix_remove(struct rte_pci_device *pci_dev)
{
@@ -1384,7 +1405,7 @@ cnxk_nix_remove(struct rte_pci_device *pci_dev)
eth_dev = rte_eth_dev_allocated(pci_dev->device.name);
if (eth_dev) {
/* Cleanup eth dev */
- rc = cnxk_eth_dev_uninit(eth_dev, true);
+ rc = cnxk_eth_dev_uninit(eth_dev, false);
if (rc)
return rc;
--
2.8.4