diff options
| author | Yan Burman <yanb@mellanox.com> | 2013-02-07 02:25:25 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-02-07 23:26:13 -0500 |
| commit | c07cb4b0ab78f279ea94c3b4661cad86eb02a5d9 (patch) | |
| tree | 7c2eda4433a461a036410586a3ca31d27d46fb6a /drivers/net/ethernet/mellanox/mlx4/en_rx.c | |
| parent | 90bbb74af68b3255bc298731f8b60d5668877306 (diff) | |
net/mlx4_en: Manage hash of MAC addresses per port
As a preparation step for supporting multiple unicast addresses, store MAC addresses in hash table.
Remove the radix tree for MAC addresses per QP, as it's not in use.
Signed-off-by: Yan Burman <yanb@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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(); + } } /* |