* [dpdk-dev] [PATCH] librte_pmd_null: Suport port hotplug function
@ 2014-12-16 8:41 Tetsuya Mukawa
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From: Tetsuya Mukawa @ 2014-12-16 8:41 UTC (permalink / raw)
To: dev
The patch is for adding port hotplug funcion to null PMD.
Signed-off-by: Tetsuya Mukawa <mukawa@igel.co.jp>
---
lib/librte_pmd_null/rte_eth_null.c | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/lib/librte_pmd_null/rte_eth_null.c b/lib/librte_pmd_null/rte_eth_null.c
index 7ecdd17..67fd5a1 100644
--- a/lib/librte_pmd_null/rte_eth_null.c
+++ b/lib/librte_pmd_null/rte_eth_null.c
@@ -292,6 +292,13 @@ 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 __rte_unused) { ; }
static int
@@ -371,10 +378,12 @@ eth_dev_null_create(const char *name __rte_unused,
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) {
@@ -465,10 +474,33 @@ 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_devclose(const char *name, const char *params __rte_unused)
+{
+ struct rte_eth_dev *eth_dev = NULL;
+
+ 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(name);
+
+ return 0;
+}
+
static struct rte_driver pmd_null_drv = {
.name = "eth_null",
.type = PMD_VDEV,
.init = rte_pmd_null_devinit,
+ .close = rte_pmd_null_devclose,
};
PMD_REGISTER_DRIVER(pmd_null_drv);
--
1.9.1
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