[dpdk-dev,v11,06/13] ethdev: Add rte_eth_dev_release_port to release specified port
Commit Message
This patch adds rte_eth_dev_release_port(). The function is used for
changing an attached status of the device that has specified name.
v9:
- rte_eth_dev_free() is replaced by rte_eth_dev_release_port().
(Thanks to Thomas Monjalon)
v6:
- Use rte_eth_dev structure as the paramter of rte_eth_dev_free().
v4:
- Add parameter checking.
Signed-off-by: Tetsuya Mukawa <mukawa@igel.co.jp>
---
lib/librte_ether/rte_ethdev.c | 11 +++++++++++
lib/librte_ether/rte_ethdev.h | 12 ++++++++++++
2 files changed, 23 insertions(+)
@@ -255,6 +255,17 @@ rte_eth_dev_allocate(const char *name)
return eth_dev;
}
+int
+rte_eth_dev_release_port(struct rte_eth_dev *eth_dev)
+{
+ if (eth_dev == NULL)
+ return -EINVAL;
+
+ eth_dev->attached = 0;
+ nb_ports--;
+ return 0;
+}
+
static int
rte_eth_dev_init(struct rte_pci_driver *pci_drv,
struct rte_pci_device *pci_dev)
@@ -1487,6 +1487,18 @@ 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.
+ * Release the specified ethdev port.
+ *
+ * @param eth_dev
+ * The *eth_dev* pointer is the address of the *rte_eth_dev* structure.
+ * @return
+ * - 0 on success, negative on error
+ */
+int rte_eth_dev_release_port(struct rte_eth_dev *eth_dev);
+
struct eth_driver;
/**
* @internal