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path: root/drivers/net/mlx4/en_netdev.c
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Diffstat (limited to 'drivers/net/mlx4/en_netdev.c')
-rw-r--r--drivers/net/mlx4/en_netdev.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/net/mlx4/en_netdev.c b/drivers/net/mlx4/en_netdev.c
index 93f4abd990a..c48b0f4b17b 100644
--- a/drivers/net/mlx4/en_netdev.c
+++ b/drivers/net/mlx4/en_netdev.c
@@ -414,6 +414,7 @@ static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv)
unsigned long avg_pkt_size;
unsigned long rx_packets;
unsigned long rx_bytes;
+ unsigned long rx_byte_diff;
unsigned long tx_packets;
unsigned long tx_pkt_diff;
unsigned long rx_pkt_diff;
@@ -437,6 +438,8 @@ static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv)
rx_pkt_diff = ((unsigned long) (rx_packets -
priv->last_moder_packets));
packets = max(tx_pkt_diff, rx_pkt_diff);
+ rx_byte_diff = rx_bytes - priv->last_moder_bytes;
+ rx_byte_diff = rx_byte_diff ? rx_byte_diff : 1;
rate = packets * HZ / period;
avg_pkt_size = packets ? ((unsigned long) (rx_bytes -
priv->last_moder_bytes)) / packets : 0;
@@ -447,10 +450,13 @@ static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv)
/* If tx and rx packet rates are not balanced, assume that
* traffic is mainly BW bound and apply maximum moderation.
* Otherwise, moderate according to packet rate */
- if (2 * tx_pkt_diff > 3 * rx_pkt_diff ||
- 2 * rx_pkt_diff > 3 * tx_pkt_diff) {
+ if (2 * tx_pkt_diff > 3 * rx_pkt_diff &&
+ rx_pkt_diff / rx_byte_diff <
+ MLX4_EN_SMALL_PKT_SIZE)
+ moder_time = priv->rx_usecs_low;
+ else if (2 * rx_pkt_diff > 3 * tx_pkt_diff)
moder_time = priv->rx_usecs_high;
- } else {
+ else {
if (rate < priv->pkt_rate_low)
moder_time = priv->rx_usecs_low;
else if (rate > priv->pkt_rate_high)
@@ -616,8 +622,7 @@ 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,
- priv->rx_ring[0].srq.srqn);
+ err = mlx4_en_activate_tx_ring(priv, tx_ring, cq->mcq.cqn);
if (err) {
en_err(priv, "Failed allocating Tx ring\n");
mlx4_en_deactivate_cq(priv, cq);
@@ -1005,9 +1010,6 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
if (err)
goto out;
- /* Populate Rx default RSS mappings */
- mlx4_en_set_default_rss_map(priv, &priv->rss_map, priv->rx_ring_num *
- RSS_FACTOR, priv->rx_ring_num);
/* Allocate page for receive rings */
err = mlx4_alloc_hwq_res(mdev->dev, &priv->res,
MLX4_EN_PAGE_SIZE, MLX4_EN_PAGE_SIZE);