diff options
| author | Yevgeny Petrilin <yevgenyp@mellanox.co.il> | 2012-04-23 06:18:33 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-04-24 06:34:02 +0400 |
| commit | a19a848a456aee35508b548819003907d033003b (patch) | |
| tree | c156cb70fecfcfcbc43b4603eb6a31e15f63fe06 /drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | |
| parent | da882c1f2ecadb0ed582628ec1585e36b137c0f0 (diff) | |
| download | linux-a19a848a456aee35508b548819003907d033003b.tar.xz | |
mlx4_en: Added Ethtool support for TX Interrupt coalescing
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index e15a1fb4cd14..72901ce2b088 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -359,8 +359,8 @@ static int mlx4_en_get_coalesce(struct net_device *dev, { struct mlx4_en_priv *priv = netdev_priv(dev); - coal->tx_coalesce_usecs = 0; - coal->tx_max_coalesced_frames = 0; + coal->tx_coalesce_usecs = priv->tx_usecs; + coal->tx_max_coalesced_frames = priv->tx_frames; coal->rx_coalesce_usecs = priv->rx_usecs; coal->rx_max_coalesced_frames = priv->rx_frames; @@ -388,6 +388,21 @@ static int mlx4_en_set_coalesce(struct net_device *dev, MLX4_EN_RX_COAL_TIME : coal->rx_coalesce_usecs; + /* Setting TX coalescing parameters */ + if (coal->tx_coalesce_usecs != priv->tx_usecs || + coal->tx_max_coalesced_frames != priv->tx_frames) { + priv->tx_usecs = coal->tx_coalesce_usecs; + priv->tx_frames = coal->tx_max_coalesced_frames; + for (i = 0; i < priv->tx_ring_num; i++) { + priv->tx_cq[i].moder_cnt = priv->tx_frames; + priv->tx_cq[i].moder_time = priv->tx_usecs; + if (mlx4_en_set_cq_moder(priv, &priv->tx_cq[i])) { + en_warn(priv, "Failed changing moderation " + "for TX cq %d\n", i); + } + } + } + /* Set adaptive coalescing params */ priv->pkt_rate_low = coal->pkt_rate_low; priv->rx_usecs_low = coal->rx_coalesce_usecs_low; |