diff options
| author | Ido Shamay <idos@mellanox.com> | 2013-12-19 21:20:14 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-12-19 19:04:44 -0500 |
| commit | d03a68f8217ea03492e4f7928db222dc6544792a (patch) | |
| tree | 0cbd6beb3a60fc350a9aad45da3e0725afef84c5 | |
| parent | 84c864038d6d991be81344fc3168ec2c2f7a8d06 (diff) | |
| download | kernel-common-d03a68f8217ea03492e4f7928db222dc6544792a.tar.gz kernel-common-d03a68f8217ea03492e4f7928db222dc6544792a.tar.bz2 kernel-common-d03a68f8217ea03492e4f7928db222dc6544792a.zip | |
net/mlx4_en: Configure the XPS queue mapping on driver load
Only TX rings of User Piority 0 are mapped.
TX rings of other UP's are using UP 0 mapping.
XPS is not in use when num_tc is set.
Signed-off-by: Ido Shamay <idos@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_tx.c | 9 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 5 |
3 files changed, 16 insertions, 4 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index d2e9666f2fb8..6f920900e841 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -1910,8 +1910,10 @@ int mlx4_en_alloc_resources(struct mlx4_en_priv *priv) prof->tx_ring_size, i, TX, node)) goto err; - if (mlx4_en_create_tx_ring(priv, &priv->tx_ring[i], priv->base_tx_qpn + i, - prof->tx_ring_size, TXBB_SIZE, node)) + if (mlx4_en_create_tx_ring(priv, &priv->tx_ring[i], + priv->base_tx_qpn + i, + prof->tx_ring_size, TXBB_SIZE, + node, i)) goto err; } diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index f54ebd5a1702..5e22d7d46b50 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -55,7 +55,7 @@ MODULE_PARM_DESC(inline_thold, "threshold for using inline data"); int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring **pring, int qpn, u32 size, - u16 stride, int node) + u16 stride, int node, int queue_index) { struct mlx4_en_dev *mdev = priv->mdev; struct mlx4_en_tx_ring *ring; @@ -140,6 +140,10 @@ int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, ring->bf_enabled = true; ring->hwtstamp_tx_type = priv->hwtstamp_config.tx_type; + ring->queue_index = queue_index; + + if (queue_index < priv->num_tx_rings_p_up && cpu_online(queue_index)) + cpumask_set_cpu(queue_index, &ring->affinity_mask); *pring = ring; return 0; @@ -206,6 +210,9 @@ int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv, err = mlx4_qp_to_ready(mdev->dev, &ring->wqres.mtt, &ring->context, &ring->qp, &ring->qp_state); + if (!user_prio && cpu_online(ring->queue_index)) + netif_set_xps_queue(priv->dev, &ring->affinity_mask, + ring->queue_index); return err; } diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index f3758de59c05..202d8e5eb41f 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -255,6 +255,8 @@ struct mlx4_en_tx_ring { u16 poll_cnt; struct mlx4_en_tx_info *tx_info; u8 *bounce_buf; + u8 queue_index; + cpumask_t affinity_mask; u32 last_nr_txbb; struct mlx4_qp qp; struct mlx4_qp_context context; @@ -719,7 +721,8 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev); int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring **pring, - int qpn, u32 size, u16 stride, int node); + int qpn, u32 size, u16 stride, + int node, int queue_index); void mlx4_en_destroy_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring **pring); int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv, |