diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_rx.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_rx.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 2e7f5bb94e1..91bb8e15725 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -615,10 +615,25 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud ethh = (struct ethhdr *)(page_address(frags[0].page) + frags[0].offset); - /* Drop the packet, since HW loopback-ed it */ - if (ether_addr_equal_64bits(dev->dev_addr, - ethh->h_source)) - goto next; + if (is_multicast_ether_addr(ethh->h_dest)) { + struct mlx4_mac_entry *entry; + struct hlist_node *n; + struct hlist_head *bucket; + unsigned int mac_hash; + + /* Drop the packet, since HW loopback-ed it */ + mac_hash = ethh->h_source[MLX4_EN_MAC_HASH_IDX]; + bucket = &priv->mac_hash[mac_hash]; + rcu_read_lock(); + hlist_for_each_entry_rcu(entry, n, bucket, hlist) { + if (ether_addr_equal_64bits(entry->mac, + ethh->h_source)) { + rcu_read_unlock(); + goto next; + } + } + rcu_read_unlock(); + } } /* |