The function returns a unique identifier name of a ethdev specified by
port identifier.
Signed-off-by: Tetsuya Mukawa <mukawa at igel.co.jp>
---
lib/librte_ether/rte_ethdev.c | 22 ++++++++++++++++++++++
lib/librte_ether/rte_ethdev.h | 12 ++++++++++++
2 files changed, 34 insertions(+)
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 4e9f0f7..1d82f69 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -476,6 +476,28 @@ rte_eth_dev_get_port_by_addr(struct rte_pci_addr *addr,
uint8_t *port_id)
return -1;
}
+int
+rte_eth_dev_get_name_by_port(uint8_t port_id, char *name)
+{
+ char *tmp;
+
+ if (rte_eth_dev_validate_port(port_id) == DEV_INVALID) {
+ PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+ return -EINVAL;
+ }
+
+ if (name == NULL) {
+ PMD_DEBUG_TRACE("Null pointer is specified\n");
+ return -EINVAL;
+ }
+
+ /* shouldn't check 'rte_eth_devices[i].data',
+ * because it might be overwritten by VDEV PMD */
+ tmp = rte_eth_dev_data[port_id].name;
+ strncpy(name, tmp, strlen(tmp) + 1);
+ return 0;
+}
+
static int
rte_eth_dev_rx_queue_config(struct rte_eth_dev *dev, uint16_t nb_queues)
{
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 8c55c56..bd921d0 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1689,6 +1689,18 @@ extern int rte_eth_dev_get_port_by_addr(
struct rte_pci_addr *addr, uint8_t *port_id);
/**
+ * Function for internal use by port hotplug functions.
+ * Returns a unique identifier name of a ethdev specified by port identifier.
+ * @param port_id
+ * The port identifier.
+ * @param name
+ * The pointer to the Unique identifier name for each Ethernet device
+ * @return
+ * - 0 on success, negative on error
+ */
+extern int rte_eth_dev_get_name_by_port(uint8_t port_id, char *name);
+
+/**
* Function for internal use by dummy drivers primarily, e.g. ring-based
* driver.
* Allocates a new ethdev slot for an ethernet device and returns the pointer
--
1.9.1
