diff mbox

[dpdk-dev,RFC,v2,08/28] ethdev: Add rte_eth_dev_get_addr_by_port

Message ID 1415072748-31937-9-git-send-email-mukawa@igel.co.jp (mailing list archive)
State RFC, archived
Headers show

Commit Message

Tetsuya Mukawa Nov. 4, 2014, 3:45 a.m. UTC
The function returns a pci address of a ethdev specified by port
identifier.

Signed-off-by: Tetsuya Mukawa <mukawa@igel.co.jp>
---
 lib/librte_ether/rte_ethdev.c | 12 ++++++++++++
 lib/librte_ether/rte_ethdev.h | 13 +++++++++++++
 2 files changed, 25 insertions(+)
diff mbox

Patch

diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 939bf3b..f59658a 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -409,6 +409,18 @@  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 (port_id >= nb_ports) {
+		PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id);
+		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 106ba5c..e87e7cc 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1639,6 +1639,19 @@  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