ethdev: attach or detach port

[dpdk.git] / lib / librte_ether / rte_ethdev.h

diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 25e0abd..8db3127 100644 (file)
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -175,6 +175,8 @@ extern "C" {
 #include <rte_log.h>
 #include <rte_interrupts.h>
 #include <rte_pci.h>
+#include <rte_dev.h>
+#include <rte_devargs.h>
 #include <rte_mbuf.h>
 #include "rte_ether.h"
 #include "rte_eth_ctrl.h"
@@ -1539,6 +1541,16 @@ extern struct rte_eth_dev rte_eth_devices[];
  */
 extern uint8_t rte_eth_dev_count(void);
 
+/**
+ * Function for internal use by port hotplug functions.
+ * Returns a ethdev slot specified by the unique identifier name.
+ * @param      name
+ *  The pointer to the Unique identifier name for each Ethernet device
+ * @return
+ *   - The pointer to the ethdev slot, on success. NULL on error
+ */
+extern struct rte_eth_dev *rte_eth_dev_allocated(const char *name);
+
 /**
  * Function for internal use by dummy drivers primarily, e.g. ring-based
  * driver.
@@ -1565,6 +1577,32 @@ struct rte_eth_dev *rte_eth_dev_allocate(const char *name,
  */
 int rte_eth_dev_release_port(struct rte_eth_dev *eth_dev);
 
+/**
+ * Attach a new Ethernet device specified by aruguments.
+ *
+ * @param devargs
+ *  A pointer to a strings array describing the new device
+ *  to be attached. The strings should be a pci address like
+ *  '0000:01:00.0' or virtual device name like 'eth_pcap0'.
+ * @param port_id
+ *  A pointer to a port identifier actually attached.
+ * @return
+ *  0 on success and port_id is filled, negative on error
+ */
+int rte_eth_dev_attach(const char *devargs, uint8_t *port_id);
+
+/**
+ * Detach a Ethernet device specified by port identifier.
+ *
+ * @param port_id
+ *   The port identifier of the device to detach.
+ * @param addr
+ *  A pointer to a device name actually detached.
+ * @return
+ *  0 on success and devname is filled, negative on error
+ */
+int rte_eth_dev_detach(uint8_t port_id, char *devname);
+
 struct eth_driver;
 /**
  * @internal