ethdev: return diagnostic when setting MAC address

[dpdk.git] / drivers / net / avf / avf_ethdev.c

diff --git a/drivers/net/avf/avf_ethdev.c b/drivers/net/avf/avf_ethdev.c
index 5409130..a1ae3a2 100644 (file)
--- a/drivers/net/avf/avf_ethdev.c
+++ b/drivers/net/avf/avf_ethdev.c
@@ -65,7 +65,7 @@ static int avf_dev_rss_hash_update(struct rte_eth_dev *dev,
 static int avf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
                                     struct rte_eth_rss_conf *rss_conf);
 static int avf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
-static void avf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
+static int avf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
                                         struct ether_addr *mac_addr);
 static int avf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev,
                                        uint16_t queue_id);
@@ -925,7 +925,7 @@ avf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
        return ret;
 }
 
-static void
+static int
 avf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
                             struct ether_addr *mac_addr)
 {
@@ -939,11 +939,11 @@ avf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
        perm_addr = (struct ether_addr *)hw->mac.perm_addr;
 
        if (is_same_ether_addr(mac_addr, old_addr))
-               return;
+               return 0;
 
        /* If the MAC address is configured by host, skip the setting */
        if (is_valid_assigned_ether_addr(perm_addr))
-               return;
+               return -EPERM;
 
        ret = avf_add_del_eth_addr(adapter, old_addr, FALSE);
        if (ret)
@@ -967,7 +967,11 @@ avf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
                            mac_addr->addr_bytes[4],
                            mac_addr->addr_bytes[5]);
 
+       if (ret)
+               return -EIO;
+
        ether_addr_copy(mac_addr, (struct ether_addr *)hw->mac.addr);
+       return 0;
 }
 
 static int