[v3,13/29] net/null: release port upon close
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Commit Message
The flag RTE_ETH_DEV_CLOSE_REMOVE is set so all port resources
can be freed by rte_eth_dev_close().
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
---
drivers/net/null/rte_eth_null.c | 27 +++++++++++++++++++--------
1 file changed, 19 insertions(+), 8 deletions(-)
Comments
On 9/29/2020 12:14 AM, Thomas Monjalon wrote:
> The flag RTE_ETH_DEV_CLOSE_REMOVE is set so all port resources
> can be freed by rte_eth_dev_close().
>
> Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
@@ -458,7 +458,23 @@ eth_mac_address_set(__rte_unused struct rte_eth_dev *dev,
return 0;
}
+static int
+eth_dev_close(struct rte_eth_dev *dev)
+{
+ PMD_LOG(INFO, "Closing null ethdev on NUMA socket %u",
+ rte_socket_id());
+
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
+
+ /* mac_addrs must not be freed alone because part of dev_private */
+ dev->data->mac_addrs = NULL;
+
+ return 0;
+}
+
static const struct eth_dev_ops ops = {
+ .dev_close = eth_dev_close,
.dev_start = eth_dev_start,
.dev_stop = eth_dev_stop,
.dev_configure = eth_dev_configure,
@@ -532,6 +548,7 @@ eth_dev_null_create(struct rte_vdev_device *dev, struct pmd_options *args)
data->mac_addrs = &internals->eth_addr;
data->promiscuous = 1;
data->all_multicast = 1;
+ data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
eth_dev->dev_ops = &ops;
@@ -701,18 +718,12 @@ rte_pmd_null_remove(struct rte_vdev_device *dev)
if (!dev)
return -EINVAL;
- PMD_LOG(INFO, "Closing null ethdev on numa socket %u",
- rte_socket_id());
-
/* find the ethdev entry */
eth_dev = rte_eth_dev_allocated(rte_vdev_device_name(dev));
if (eth_dev == NULL)
- return -1;
-
- if (rte_eal_process_type() == RTE_PROC_PRIMARY)
- /* mac_addrs must not be freed alone because part of dev_private */
- eth_dev->data->mac_addrs = NULL;
+ return 0; /* port already released */
+ eth_dev_close(eth_dev);
rte_eth_dev_release_port(eth_dev);
return 0;