ethdev: return diagnostic when setting MAC address

[dpdk.git] / drivers / net / mvpp2 / mrvl_ethdev.c

diff --git a/drivers/net/mvpp2/mrvl_ethdev.c b/drivers/net/mvpp2/mrvl_ethdev.c
index 6ab515c..d787154 100644 (file)
--- a/drivers/net/mvpp2/mrvl_ethdev.c
+++ b/drivers/net/mvpp2/mrvl_ethdev.c
@@ -1061,18 +1061,21 @@ mrvl_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac_addr,
  *   Pointer to Ethernet device structure.
  * @param mac_addr
  *   MAC address to register.
+ *
+ * @return
+ *   0 on success, negative error value otherwise.
  */
-static void
+static int
 mrvl_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
 {
        struct mrvl_priv *priv = dev->data->dev_private;
        int ret;
 
        if (!priv->ppio)
-               return;
+               return 0;
 
        if (priv->isolated)
-               return;
+               return -ENOTSUP;
 
        ret = pp2_ppio_set_mac_addr(priv->ppio, mac_addr->addr_bytes);
        if (ret) {
@@ -1080,6 +1083,8 @@ mrvl_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
                ether_format_addr(buf, sizeof(buf), mac_addr);
                RTE_LOG(ERR, PMD, "Failed to set mac to %s\n", buf);
        }
+
+       return ret;
 }
 
 /**