diff options
| author | Yevgeny Petrilin | 2011-03-22 23:38:52 +0100 |
|---|---|---|
| committer | David S. Miller | 2011-03-23 20:24:25 +0100 |
| commit | 87a5c3896f9cf3b7f374af95b342d1089989327a (patch) | |
| tree | 48e13f9f860e514b365d62eae3ade23182ac67f0 /drivers/net/mlx4/en_netdev.c | |
| parent | mlx4_core: reserve UARs for userspace consumers (diff) | |
| download | kernel-qcow2-linux-87a5c3896f9cf3b7f374af95b342d1089989327a.tar.gz kernel-qcow2-linux-87a5c3896f9cf3b7f374af95b342d1089989327a.tar.xz kernel-qcow2-linux-87a5c3896f9cf3b7f374af95b342d1089989327a.zip | |
mlx4_en: Using blue flame support
Doorbell is used according to usage of BlueFlame.
For Blue Flame to work in Ethernet mode QP number should have 0
at bits 6,7.
Allocating range of QPs accordingly.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/mlx4/en_netdev.c')
| -rw-r--r-- | drivers/net/mlx4/en_netdev.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/mlx4/en_netdev.c b/drivers/net/mlx4/en_netdev.c index 08e680100db8..5762ebde4455 100644 --- a/drivers/net/mlx4/en_netdev.c +++ b/drivers/net/mlx4/en_netdev.c @@ -931,6 +931,13 @@ int mlx4_en_alloc_resources(struct mlx4_en_priv *priv) { struct mlx4_en_port_profile *prof = priv->prof; int i; + int base_tx_qpn, err; + + err = mlx4_qp_reserve_range(priv->mdev->dev, priv->tx_ring_num, 256, &base_tx_qpn); + if (err) { + en_err(priv, "failed reserving range for TX rings\n"); + return err; + } /* Create tx Rings */ for (i = 0; i < priv->tx_ring_num; i++) { @@ -938,7 +945,7 @@ int mlx4_en_alloc_resources(struct mlx4_en_priv *priv) prof->tx_ring_size, i, TX)) goto err; - if (mlx4_en_create_tx_ring(priv, &priv->tx_ring[i], + if (mlx4_en_create_tx_ring(priv, &priv->tx_ring[i], base_tx_qpn + i, prof->tx_ring_size, TXBB_SIZE)) goto err; } @@ -958,6 +965,7 @@ int mlx4_en_alloc_resources(struct mlx4_en_priv *priv) err: en_err(priv, "Failed to allocate NIC resources\n"); + mlx4_qp_release_range(priv->mdev->dev, base_tx_qpn, priv->tx_ring_num); return -ENOMEM; } |