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-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_main.c6
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_netdev.c41
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_tx.c15
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/mlx4_en.h9
4 files changed, 47 insertions, 24 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_main.c b/drivers/net/ethernet/mellanox/mlx4/en_main.c
index 346fdb2e92a6..988b2424e1c6 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_main.c
@@ -101,6 +101,8 @@ static int mlx4_en_get_profile(struct mlx4_en_dev *mdev)
int i;
params->udp_rss = udp_rss;
+ params->num_tx_rings_p_up = min_t(int, num_online_cpus(),
+ MLX4_EN_MAX_TX_RING_P_UP);
if (params->udp_rss && !(mdev->dev->caps.flags
& MLX4_DEV_CAP_FLAG_UDP_RSS)) {
mlx4_warn(mdev, "UDP RSS is not supported on this device.\n");
@@ -113,8 +115,8 @@ static int mlx4_en_get_profile(struct mlx4_en_dev *mdev)
params->prof[i].tx_ppp = pfctx;
params->prof[i].tx_ring_size = MLX4_EN_DEF_TX_RING_SIZE;
params->prof[i].rx_ring_size = MLX4_EN_DEF_RX_RING_SIZE;
- params->prof[i].tx_ring_num = MLX4_EN_NUM_TX_RINGS +
- MLX4_EN_NUM_PPP_RINGS;
+ params->prof[i].tx_ring_num = params->num_tx_rings_p_up *
+ MLX4_EN_NUM_UP;
params->prof[i].rss_rings = 0;
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index eaa8fadf19c0..926d8aac941c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -47,9 +47,22 @@
static int mlx4_en_setup_tc(struct net_device *dev, u8 up)
{
- if (up != MLX4_EN_NUM_UP)
+ struct mlx4_en_priv *priv = netdev_priv(dev);
+ int i;
+ unsigned int q, offset = 0;
+
+ if (up && up != MLX4_EN_NUM_UP)
return -EINVAL;
+ netdev_set_num_tc(dev, up);
+
+ /* Partition Tx queues evenly amongst UP's */
+ q = priv->tx_ring_num / up;
+ for (i = 0; i < up; i++) {
+ netdev_set_tc_queue(dev, i, q, offset);
+ offset += q;
+ }
+
return 0;
}
@@ -661,7 +674,7 @@ int mlx4_en_start_port(struct net_device *dev)
/* Configure ring */
tx_ring = &priv->tx_ring[i];
err = mlx4_en_activate_tx_ring(priv, tx_ring, cq->mcq.cqn,
- max(0, i - MLX4_EN_NUM_TX_RINGS));
+ i / priv->mdev->profile.num_tx_rings_p_up);
if (err) {
en_err(priv, "Failed allocating Tx ring\n");
mlx4_en_deactivate_cq(priv, cq);
@@ -986,6 +999,9 @@ void mlx4_en_destroy_netdev(struct net_device *dev)
mlx4_en_free_resources(priv);
+ kfree(priv->tx_ring);
+ kfree(priv->tx_cq);
+
free_netdev(dev);
}
@@ -1091,6 +1107,18 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
priv->ctrl_flags = cpu_to_be32(MLX4_WQE_CTRL_CQ_UPDATE |
MLX4_WQE_CTRL_SOLICITED);
priv->tx_ring_num = prof->tx_ring_num;
+ priv->tx_ring = kzalloc(sizeof(struct mlx4_en_tx_ring) *
+ priv->tx_ring_num, GFP_KERNEL);
+ if (!priv->tx_ring) {
+ err = -ENOMEM;
+ goto out;
+ }
+ priv->tx_cq = kzalloc(sizeof(struct mlx4_en_cq) * priv->tx_ring_num,
+ GFP_KERNEL);
+ if (!priv->tx_cq) {
+ err = -ENOMEM;
+ goto out;
+ }
priv->rx_ring_num = prof->rx_ring_num;
priv->mac_index = -1;
priv->msg_enable = MLX4_EN_MSG_LEVEL;
@@ -1138,15 +1166,6 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
netif_set_real_num_tx_queues(dev, priv->tx_ring_num);
netif_set_real_num_rx_queues(dev, priv->rx_ring_num);
- netdev_set_num_tc(dev, MLX4_EN_NUM_UP);
-
- /* First 9 rings are for UP 0 */
- netdev_set_tc_queue(dev, 0, MLX4_EN_NUM_TX_RINGS + 1, 0);
-
- /* Partition Tx queues evenly amongst UP's 1-7 */
- for (i = 1; i < MLX4_EN_NUM_UP; i++)
- netdev_set_tc_queue(dev, i, 1, MLX4_EN_NUM_TX_RINGS + i);
-
SET_ETHTOOL_OPS(dev, &mlx4_en_ethtool_ops);
/* Set defualt MAC */
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index 9a38483feb92..019d856b1334 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -525,14 +525,17 @@ static void build_inline_wqe(struct mlx4_en_tx_desc *tx_desc, struct sk_buff *sk
u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb)
{
- u16 vlan_tag = 0;
+ struct mlx4_en_priv *priv = netdev_priv(dev);
+ u16 rings_p_up = priv->mdev->profile.num_tx_rings_p_up;
+ u8 up = 0;
- if (vlan_tx_tag_present(skb)) {
- vlan_tag = vlan_tx_tag_get(skb);
- return MLX4_EN_NUM_TX_RINGS + (vlan_tag >> 13);
- }
+ if (dev->num_tc)
+ return skb_tx_hash(dev, skb);
+
+ if (vlan_tx_tag_present(skb))
+ up = vlan_tx_tag_get(skb) >> VLAN_PRIO_SHIFT;
- return skb_tx_hash(dev, skb);
+ return __skb_tx_hash(dev, skb, rings_p_up) + up * rings_p_up;
}
static void mlx4_bf_copy(void __iomem *dst, unsigned long *src, unsigned bytecnt)
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index 5d876375a132..6ae350921b1a 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -111,9 +111,7 @@ enum {
#define MLX4_EN_MIN_TX_SIZE (4096 / TXBB_SIZE)
#define MLX4_EN_SMALL_PKT_SIZE 64
-#define MLX4_EN_NUM_TX_RINGS 8
-#define MLX4_EN_NUM_PPP_RINGS 8
-#define MAX_TX_RINGS (MLX4_EN_NUM_TX_RINGS + MLX4_EN_NUM_PPP_RINGS)
+#define MLX4_EN_MAX_TX_RING_P_UP 32
#define MLX4_EN_NUM_UP 8
#define MLX4_EN_DEF_TX_RING_SIZE 512
#define MLX4_EN_DEF_RX_RING_SIZE 1024
@@ -339,6 +337,7 @@ struct mlx4_en_profile {
u32 active_ports;
u32 small_pkt_int;
u8 no_reset;
+ u8 num_tx_rings_p_up;
struct mlx4_en_port_profile prof[MLX4_MAX_PORTS + 1];
};
@@ -477,9 +476,9 @@ struct mlx4_en_priv {
u16 num_frags;
u16 log_rx_info;
- struct mlx4_en_tx_ring tx_ring[MAX_TX_RINGS];
+ struct mlx4_en_tx_ring *tx_ring;
struct mlx4_en_rx_ring rx_ring[MAX_RX_RINGS];
- struct mlx4_en_cq tx_cq[MAX_TX_RINGS];
+ struct mlx4_en_cq *tx_cq;
struct mlx4_en_cq rx_cq[MAX_RX_RINGS];
struct work_struct mcast_task;
struct work_struct mac_task;
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