[dpdk-dev,v8,2/2] librte_pmd_null: Support port hotplug function
Commit Message
This patch adds port hotplug support to Null PMD.
v7:
- Add parameter checkings.
(Thanks to Iremonger, Bernard)
v6:
- Fix a parameter of rte_eth_dev_free().
v4:
- Fix commit title.
Signed-off-by: Tetsuya Mukawa <mukawa@igel.co.jp>
---
lib/librte_pmd_null/rte_eth_null.c | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
Comments
> -----Original Message-----
> From: Tetsuya Mukawa [mailto:mukawa@igel.co.jp]
> Sent: Monday, February 16, 2015 4:19 AM
> To: dev@dpdk.org
> Cc: Qiu, Michael; Iremonger, Bernard; Tetsuya Mukawa
> Subject: [PATCH v8 2/2] librte_pmd_null: Support port hotplug function
>
> This patch adds port hotplug support to Null PMD.
>
> v7:
> - Add parameter checkings.
> (Thanks to Iremonger, Bernard)
> v6:
> - Fix a parameter of rte_eth_dev_free().
> v4:
> - Fix commit title.
>
> Signed-off-by: Tetsuya Mukawa <mukawa@igel.co.jp>
Acked-by: Bernard Iremonger <bernard.iremonger@intel.com>
@@ -336,6 +336,13 @@ eth_stats_reset(struct rte_eth_dev *dev)
}
}
+static struct eth_driver rte_null_pmd = {
+ .pci_drv = {
+ .name = "rte_null_pmd",
+ .drv_flags = RTE_PCI_DRV_DETACHABLE,
+ },
+};
+
static void
eth_queue_release(void *q)
{
@@ -429,10 +436,12 @@ eth_dev_null_create(const char *name,
data->nb_tx_queues = (uint16_t)nb_tx_queues;
data->dev_link = pmd_link;
data->mac_addrs = ð_addr;
+ strncpy(data->name, eth_dev->data->name, strlen(eth_dev->data->name));
eth_dev->data = data;
eth_dev->dev_ops = &ops;
eth_dev->pci_dev = pci_dev;
+ eth_dev->driver = &rte_null_pmd;
/* finally assign rx and tx ops */
if (packet_copy) {
@@ -532,10 +541,36 @@ rte_pmd_null_devinit(const char *name, const char *params)
return eth_dev_null_create(name, numa_node, packet_size, packet_copy);
}
+static int
+rte_pmd_null_devuninit(const char *name, const char *params __rte_unused)
+{
+ struct rte_eth_dev *eth_dev = NULL;
+
+ if (name == NULL)
+ return -EINVAL;
+
+ RTE_LOG(INFO, PMD, "Closing null ethdev on numa socket %u\n",
+ rte_socket_id());
+
+ /* reserve an ethdev entry */
+ eth_dev = rte_eth_dev_allocated(name);
+ if (eth_dev == NULL)
+ return -1;
+
+ rte_free(eth_dev->data->dev_private);
+ rte_free(eth_dev->data);
+ rte_free(eth_dev->pci_dev);
+
+ rte_eth_dev_free(eth_dev);
+
+ return 0;
+}
+
static struct rte_driver pmd_null_drv = {
.name = "eth_null",
.type = PMD_VDEV,
.init = rte_pmd_null_devinit,
+ .uninit = rte_pmd_null_devuninit,
};
PMD_REGISTER_DRIVER(pmd_null_drv);