This patch adds rte_eth_dev_free(). The function is used for changing an
attached status of the device that has specified name.
v6:
- Use rte_eth_dev structure as the paramter of rte_eth_dev_free().
v4:
- Add parameter checking.
Signed-off-by: Tetsuya Mukawa <mukawa at igel.co.jp>
---
lib/librte_ether/rte_ethdev.c | 11 +++++++++++
lib/librte_ether/rte_ethdev.h | 14 ++++++++++++++
2 files changed, 25 insertions(+)
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index a79fa5b..2463d18 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -260,6 +260,17 @@ rte_eth_dev_allocate(const char *name)
return eth_dev;
}
+int
+rte_eth_dev_free(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)
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index ca101f5..fbe7ac1 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1627,6 +1627,20 @@ 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.
+ *
+ * @param eth_dev
+ * The *eth_dev* pointer is the address of the *rte_eth_dev* structure
+ * associated with the matching device and which have been [automatically]
+ * allocated in the *rte_eth_devices* array.
+ * @return
+ * - 0 on success, negative on error
+ */
+int rte_eth_dev_free(struct rte_eth_dev *eth_dev);
+
struct eth_driver;
/**
* @internal
--
1.9.1
