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Date: Sun, 8 Dec 2013 14:35:47 +0200 From: Amir Vadai <amirv@...lanox.com> To: "David S. Miller" <davem@...emloft.net> Cc: Or Gerlitz <ogerlitz@...lanox.com>, Yevgeny Petrilin <yevgenyp@...lanox.com>, Amir Vadai <amirv@...lanox.com>, netdev@...r.kernel.org, Ido Shamay <idos@...lanox.com> Subject: [PATCH net-next 07/12] net/mlx4_en: Configure the XPS queue mapping on driver load From: Ido Shamay <idos@...lanox.com> 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@...lanox.com> Signed-off-by: Amir Vadai <amirv@...lanox.com> --- drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 6 ++++-- drivers/net/ethernet/mellanox/mlx4/en_tx.c | 9 ++++++++- drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 7 +++++-- 3 files changed, 17 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 44a1cc2..c9bc292 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -1914,8 +1914,10 @@ 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 f54ebd5..5e22d7d 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 fa33a83..a4cdd7d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -241,6 +241,8 @@ 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; @@ -708,8 +710,9 @@ u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb); 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); + struct mlx4_en_tx_ring **pring, + 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, -- 1.8.3.4 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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