diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_netdev.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 3b4961a8e8e4..afe4444e5434 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -1321,7 +1321,7 @@ static void mlx4_en_tx_timeout(struct net_device *dev) } -static struct rtnl_link_stats64 * +static void mlx4_en_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) { struct mlx4_en_priv *priv = netdev_priv(dev); @@ -1330,8 +1330,6 @@ mlx4_en_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) mlx4_en_fold_software_stats(dev); netdev_stats_to_stats64(stats, &dev->stats); spin_unlock_bh(&priv->stats_lock); - - return stats; } static void mlx4_en_set_default_moderation(struct mlx4_en_priv *priv) @@ -1384,6 +1382,7 @@ static void mlx4_en_set_default_moderation(struct mlx4_en_priv *priv) static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv) { unsigned long period = (unsigned long) (jiffies - priv->last_moder_jiffies); + u32 pkt_rate_high, pkt_rate_low; struct mlx4_en_cq *cq; unsigned long packets; unsigned long rate; @@ -1397,37 +1396,40 @@ static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv) if (!priv->adaptive_rx_coal || period < priv->sample_interval * HZ) return; + pkt_rate_low = READ_ONCE(priv->pkt_rate_low); + pkt_rate_high = READ_ONCE(priv->pkt_rate_high); + for (ring = 0; ring < priv->rx_ring_num; ring++) { rx_packets = READ_ONCE(priv->rx_ring[ring]->packets); rx_bytes = READ_ONCE(priv->rx_ring[ring]->bytes); - rx_pkt_diff = ((unsigned long) (rx_packets - - priv->last_moder_packets[ring])); + rx_pkt_diff = rx_packets - priv->last_moder_packets[ring]; packets = rx_pkt_diff; rate = packets * HZ / period; - avg_pkt_size = packets ? ((unsigned long) (rx_bytes - - priv->last_moder_bytes[ring])) / packets : 0; + avg_pkt_size = packets ? (rx_bytes - + priv->last_moder_bytes[ring]) / packets : 0; /* Apply auto-moderation only when packet rate * exceeds a rate that it matters */ if (rate > (MLX4_EN_RX_RATE_THRESH / priv->rx_ring_num) && avg_pkt_size > MLX4_EN_AVG_PKT_SMALL) { - if (rate < priv->pkt_rate_low) + if (rate <= pkt_rate_low) moder_time = priv->rx_usecs_low; - else if (rate > priv->pkt_rate_high) + else if (rate >= pkt_rate_high) moder_time = priv->rx_usecs_high; else - moder_time = (rate - priv->pkt_rate_low) * + moder_time = (rate - pkt_rate_low) * (priv->rx_usecs_high - priv->rx_usecs_low) / - (priv->pkt_rate_high - priv->pkt_rate_low) + + (pkt_rate_high - pkt_rate_low) + priv->rx_usecs_low; } else { moder_time = priv->rx_usecs_low; } - if (moder_time != priv->last_moder_time[ring]) { + cq = priv->rx_cq[ring]; + if (moder_time != priv->last_moder_time[ring] || + cq->moder_cnt != priv->rx_frames) { priv->last_moder_time[ring] = moder_time; - cq = priv->rx_cq[ring]; cq->moder_time = moder_time; cq->moder_cnt = priv->rx_frames; err = mlx4_en_set_cq_moder(priv, cq); @@ -1697,6 +1699,14 @@ int mlx4_en_start_port(struct net_device *dev) priv->port, err); goto tx_err; } + + err = mlx4_SET_PORT_user_mtu(mdev->dev, priv->port, dev->mtu); + if (err) { + en_err(priv, "Failed to pass user MTU(%d) to Firmware for port %d, with error %d\n", + dev->mtu, priv->port, err); + goto tx_err; + } + /* Set default qp number */ err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port, priv->base_qpn, 0); if (err) { |