The function returns a pci address of a ethdev specified by port
identifier.
Signed-off-by: Tetsuya Mukawa <mukawa at igel.co.jp>
---
lib/librte_ether/rte_ethdev.c | 17 +++++++++++++++++
lib/librte_ether/rte_ethdev.h | 13 +++++++++++++
2 files changed, 30 insertions(+)
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 6a3700e..ddaf14a 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -437,6 +437,23 @@ rte_eth_dev_get_changed_port(struct rte_eth_dev *devs,
uint8_t *port_id)
return 1;
}
+int
+rte_eth_dev_get_addr_by_port(uint8_t port_id, struct rte_pci_addr *addr)
+{
+ if (rte_eth_dev_validate_port(port_id) == DEV_INVALID) {
+ PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+ return -EINVAL;
+ }
+
+ if (addr == NULL) {
+ PMD_DEBUG_TRACE("Null pointer is specified\n");
+ return -EINVAL;
+ }
+
+ *addr = rte_eth_devices[port_id].pci_dev->addr;
+ 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 03c8850..30277a2 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1663,6 +1663,19 @@ extern int rte_eth_dev_get_changed_port(
struct rte_eth_dev *devs, uint8_t *port_id);
/**
+ * Function for internal use by port hotplug functions.
+ * Returns a pci address of a ethdev specified by port identifier.
+ * @param port_id
+ * The port identifier of the Ethernet device
+ * @param addr
+ * The pointer to the pci address
+ * @return
+ * - 0 on success, negative on error
+ */
+extern int rte_eth_dev_get_addr_by_port(
+ uint8_t port_id, struct rte_pci_addr *addr);
+
+/**
* 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
