mlx4: do not expose broadcast address in MAC list

[dpdk.git] / drivers / net / mlx4 / mlx4.c

diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c
index 9614471..af31573 100644 (file)
--- a/drivers/net/mlx4/mlx4.c
+++ b/drivers/net/mlx4/mlx4.c
@@ -3836,7 +3836,8 @@ mlx4_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info)
                max = 65535;
        info->max_rx_queues = max;
        info->max_tx_queues = max;
-       info->max_mac_addrs = elemof(priv->mac);
+       /* Last array entry is reserved for broadcast. */
+       info->max_mac_addrs = (elemof(priv->mac) - 1);
        info->rx_offload_capa =
                (priv->hw_csum ?
                 (DEV_RX_OFFLOAD_IPV4_CKSUM |
@@ -3969,11 +3970,8 @@ mlx4_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
        priv_lock(priv);
        DEBUG("%p: removing MAC address from index %" PRIu32,
              (void *)dev, index);
-       if (index >= MLX4_MAX_MAC_ADDRESSES)
-               goto end;
-       /* Refuse to remove the broadcast address, this one is special. */
-       if (!memcmp(priv->mac[index].addr_bytes, "\xff\xff\xff\xff\xff\xff",
-                   ETHER_ADDR_LEN))
+       /* Last array entry is reserved for broadcast. */
+       if (index >= (elemof(priv->mac) - 1))
                goto end;
        priv_mac_addr_del(priv, index);
 end:
@@ -4002,11 +4000,8 @@ mlx4_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac_addr,
        priv_lock(priv);
        DEBUG("%p: adding MAC address at index %" PRIu32,
              (void *)dev, index);
-       if (index >= MLX4_MAX_MAC_ADDRESSES)
-               goto end;
-       /* Refuse to add the broadcast address, this one is special. */
-       if (!memcmp(mac_addr->addr_bytes, "\xff\xff\xff\xff\xff\xff",
-                   ETHER_ADDR_LEN))
+       /* Last array entry is reserved for broadcast. */
+       if (index >= (elemof(priv->mac) - 1))
                goto end;
        priv_mac_addr_add(priv, index,
                          (const uint8_t (*)[ETHER_ADDR_LEN])
@@ -4943,7 +4938,7 @@ mlx4_pci_devinit(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
                claim_zero(priv_mac_addr_add(priv, 0,
                                             (const uint8_t (*)[ETHER_ADDR_LEN])
                                             mac.addr_bytes));
-               claim_zero(priv_mac_addr_add(priv, 1,
+               claim_zero(priv_mac_addr_add(priv, (elemof(priv->mac) - 1),
                                             &(const uint8_t [ETHER_ADDR_LEN])
                                             { "\xff\xff\xff\xff\xff\xff" }));
 #ifndef NDEBUG