This patch adds rte_eth_dev_free(). The function is used for changing a
attached status of the device that has specified name.
v4:
- Add paramerter checking.
Signed-off-by: Tetsuya Mukawa <mukawa at igel.co.jp>
---
lib/librte_ether/rte_ethdev.c | 20 ++++++++++++++++++++
lib/librte_ether/rte_ethdev.h | 11 +++++++++++
2 files changed, 31 insertions(+)
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index d70854f..0f3094f 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -260,6 +260,26 @@ rte_eth_dev_allocate(const char *name)
return eth_dev;
}
+struct rte_eth_dev *
+rte_eth_dev_free(const char *name)
+{
+ struct rte_eth_dev *eth_dev;
+
+ if (name == NULL)
+ return NULL;
+
+ eth_dev = rte_eth_dev_allocated(name);
+ if (eth_dev == NULL) {
+ PMD_DEBUG_TRACE("Ethernet Device with name %s doesn't exist!\n",
+ name);
+ return NULL;
+ }
+
+ eth_dev->attached = 0;
+ nb_ports--;
+ return eth_dev;
+}
+
static int
rte_eth_dev_init(struct rte_pci_driver *pci_drv,
struct rte_pci_device *pci_dev)
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index ca101f5..6add058 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1627,6 +1627,17 @@ extern uint8_t rte_eth_dev_count(void);
*/
struct rte_eth_dev *rte_eth_dev_allocate(const char *name);
+/**
+ * Function for internal use by dummy drivers primarily, e.g. ring-based
+ * driver.
+ * Free the specified ethdev and returns the pointer to that slot.
+ *
+ * @param name Unique identifier name for each Ethernet device
+ * @return
+ * - Slot in the rte_dev_devices array for the freed device;
+ */
+struct rte_eth_dev *rte_eth_dev_free(const char *name);
+
struct eth_driver;
/**
* @internal
--
1.9.1
