X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_ethdev%2Frte_ethdev.h;h=d937fb4293392c5f6e97b2bae0b286af50197f89;hb=1dac0f3ef37a16f38f67b57d2e7c4a3830d8632b;hp=f07a829b29ce7a4923fdbde0be42d3e311660e40;hpb=69d0e7092874db1909bc40986c06219f1880dc23;p=dpdk.git

diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
index f07a829b29..d937fb4293 100644
--- a/lib/librte_ethdev/rte_ethdev.h
+++ b/lib/librte_ethdev/rte_ethdev.h
@@ -1566,9 +1566,11 @@ int rte_eth_dev_owner_unset(const uint16_t port_id,
  *
  * @param	owner_id
  *  The owner identifier.
+ * @return
+ *  0 on success, negative errno value on error.
  */
 __rte_experimental
-void rte_eth_dev_owner_delete(const uint64_t owner_id);
+int rte_eth_dev_owner_delete(const uint64_t owner_id);
 
 /**
  * @warning
@@ -2060,16 +2062,26 @@ int rte_eth_promiscuous_get(uint16_t port_id);
  *
  * @param port_id
  *   The port identifier of the Ethernet device.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if support for allmulticast_enable() does not exist
+ *     for the device.
+ *   - (-ENODEV) if *port_id* invalid.
  */
-void rte_eth_allmulticast_enable(uint16_t port_id);
+int rte_eth_allmulticast_enable(uint16_t port_id);
 
 /**
  * Disable the receipt of all multicast frames by an Ethernet device.
  *
  * @param port_id
  *   The port identifier of the Ethernet device.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if support for allmulticast_disable() does not exist
+ *     for the device.
+ *   - (-ENODEV) if *port_id* invalid.
  */
-void rte_eth_allmulticast_disable(uint16_t port_id);
+int rte_eth_allmulticast_disable(uint16_t port_id);
 
 /**
  * Return the value of allmulticast mode for an Ethernet device.
@@ -2093,8 +2105,12 @@ int rte_eth_allmulticast_get(uint16_t port_id);
  * @param link
  *   A pointer to an *rte_eth_link* structure to be filled with
  *   the status, the speed and the mode of the Ethernet device link.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if the function is not supported in PMD driver.
+ *   - (-ENODEV) if *port_id* invalid.
  */
-void rte_eth_link_get(uint16_t port_id, struct rte_eth_link *link);
+int rte_eth_link_get(uint16_t port_id, struct rte_eth_link *link);
 
 /**
  * Retrieve the status (ON/OFF), the speed (in Mbps) and the mode (HALF-DUPLEX
@@ -2106,8 +2122,12 @@ void rte_eth_link_get(uint16_t port_id, struct rte_eth_link *link);
  * @param link
  *   A pointer to an *rte_eth_link* structure to be filled with
  *   the status, the speed and the mode of the Ethernet device link.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENOTSUP) if the function is not supported in PMD driver.
+ *   - (-ENODEV) if *port_id* invalid.
  */
-void rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *link);
+int rte_eth_link_get_nowait(uint16_t port_id, struct rte_eth_link *link);
 
 /**
  * Retrieve the general I/O statistics of an Ethernet device.
@@ -2137,6 +2157,7 @@ int rte_eth_stats_get(uint16_t port_id, struct rte_eth_stats *stats);
  *   - (0) if device notified to reset stats.
  *   - (-ENOTSUP) if hardware doesn't support.
  *   - (-ENODEV) if *port_id* invalid.
+ *   - (<0): Error code of the driver stats reset function.
  */
 int rte_eth_stats_reset(uint16_t port_id);
 
@@ -2284,8 +2305,14 @@ int rte_eth_xstats_get_id_by_name(uint16_t port_id, const char *xstat_name,
  *
  * @param port_id
  *   The port identifier of the Ethernet device.
+ * @return
+ *   - (0) if device notified to reset extended stats.
+ *   - (-ENOTSUP) if pmd doesn't support both
+ *     extended stats and basic stats reset.
+ *   - (-ENODEV) if *port_id* invalid.
+ *   - (<0): Error code of the driver xstats reset function.
  */
-void rte_eth_xstats_reset(uint16_t port_id);
+int rte_eth_xstats_reset(uint16_t port_id);
 
 /**
  *  Set a mapping for the specified transmit queue to the specified per-queue
@@ -2336,8 +2363,11 @@ int rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id,
  * @param mac_addr
  *   A pointer to a structure of type *ether_addr* to be filled with
  *   the Ethernet address of the Ethernet device.
+ * @return
+ *   - (0) if successful
+ *   - (-ENODEV) if *port_id* invalid.
  */
-void rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr);
+int rte_eth_macaddr_get(uint16_t port_id, struct rte_ether_addr *mac_addr);
 
 /**
  * Retrieve the contextual information of an Ethernet device.