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Message-Id: <1522391853-37298-3-git-send-email-talgi@mellanox.com>
Date: Fri, 30 Mar 2018 09:37:31 +0300
From: Tal Gilboa <talgi@...lanox.com>
To: "David S. Miller" <davem@...emloft.net>
Cc: netdev@...r.kernel.org, Tariq Toukan <tariqt@...lanox.com>,
Tal Gilboa <talgi@...lanox.com>,
Andy Gospodarek <andrew.gospodarek@...adcom.com>,
Saeed Mahameed <saeedm@...lanox.com>
Subject: [PATCH net-next 2/4] net/dim: Add "enabled" field to net_dim struct
Preparation for introducing adaptive TX to net DIM.
Signed-off-by: Tal Gilboa <talgi@...lanox.com>
---
drivers/net/ethernet/mellanox/mlx5/core/en.h | 1 -
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 10 +++++++---
drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 6 +++---
drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 2 +-
include/linux/net_dim.h | 2 ++
5 files changed, 13 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index 0c2fdf0..3e24864 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -250,7 +250,6 @@ struct mlx5e_params {
u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE];
bool vlan_strip_disable;
bool scatter_fcs_en;
- bool rx_dim_enabled;
u32 lro_timeout;
u32 pflags;
struct bpf_prog *xdp_prog;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index c57c929..4b5d022 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -459,9 +459,10 @@ int mlx5e_ethtool_get_coalesce(struct mlx5e_priv *priv,
coal->rx_coalesce_usecs = priv->channels.params.rx_cq_moderation.usec;
coal->rx_max_coalesced_frames = priv->channels.params.rx_cq_moderation.pkts;
+ coal->use_adaptive_rx_coalesce =
+ priv->channels.params.rx_cq_moderation.enabled;
coal->tx_coalesce_usecs = priv->channels.params.tx_cq_moderation.usec;
coal->tx_max_coalesced_frames = priv->channels.params.tx_cq_moderation.pkts;
- coal->use_adaptive_rx_coalesce = priv->channels.params.rx_dim_enabled;
return 0;
}
@@ -515,7 +516,8 @@ int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv,
new_channels.params.tx_cq_moderation.pkts = coal->tx_max_coalesced_frames;
new_channels.params.rx_cq_moderation.usec = coal->rx_coalesce_usecs;
new_channels.params.rx_cq_moderation.pkts = coal->rx_max_coalesced_frames;
- new_channels.params.rx_dim_enabled = !!coal->use_adaptive_rx_coalesce;
+ new_channels.params.rx_cq_moderation.enabled =
+ !!coal->use_adaptive_rx_coalesce;
if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
priv->channels.params = new_channels.params;
@@ -523,7 +525,9 @@ int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv,
}
/* we are opened */
- reset = !!coal->use_adaptive_rx_coalesce != priv->channels.params.rx_dim_enabled;
+ reset = !!coal->use_adaptive_rx_coalesce !=
+ priv->channels.params.rx_cq_moderation.enabled;
+
if (!reset) {
mlx5e_set_priv_channels_coalesce(priv, coal);
priv->channels.params = new_channels.params;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 8a9670c..e16a705 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -781,7 +781,7 @@ static int mlx5e_open_rq(struct mlx5e_channel *c,
if (err)
goto err_destroy_rq;
- if (params->rx_dim_enabled)
+ if (params->rx_cq_moderation.enabled)
c->rq.state |= BIT(MLX5E_RQ_STATE_AM);
return 0;
@@ -4083,7 +4083,7 @@ void mlx5e_set_rx_cq_mode_params(struct mlx5e_params *params, u8 cq_period_mode)
params->rx_cq_moderation.usec =
MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC_FROM_CQE;
- if (params->rx_dim_enabled) {
+ if (params->rx_cq_moderation.enabled) {
switch (cq_period_mode) {
case MLX5_CQ_PERIOD_MODE_START_FROM_CQE:
params->rx_cq_moderation =
@@ -4155,7 +4155,7 @@ void mlx5e_build_nic_params(struct mlx5_core_dev *mdev,
cq_period_mode = MLX5_CAP_GEN(mdev, cq_period_start_from_cqe) ?
MLX5_CQ_PERIOD_MODE_START_FROM_CQE :
MLX5_CQ_PERIOD_MODE_START_FROM_EQE;
- params->rx_dim_enabled = MLX5_CAP_GEN(mdev, cq_moderation);
+ params->rx_cq_moderation.enabled = MLX5_CAP_GEN(mdev, cq_moderation);
mlx5e_set_rx_cq_mode_params(params, cq_period_mode);
mlx5e_set_tx_cq_mode_params(params, cq_period_mode);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
index dd32f3e..f238d4c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
@@ -881,7 +881,7 @@ static void mlx5e_build_rep_params(struct mlx5_core_dev *mdev,
params->rq_wq_type = MLX5_WQ_TYPE_LINKED_LIST;
params->log_rq_size = MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE;
- params->rx_dim_enabled = MLX5_CAP_GEN(mdev, cq_moderation);
+ params->rx_cq_moderation.enabled = MLX5_CAP_GEN(mdev, cq_moderation);
mlx5e_set_rx_cq_mode_params(params, cq_period_mode);
params->num_tc = 1;
diff --git a/include/linux/net_dim.h b/include/linux/net_dim.h
index e1cabaf..d34fbfe 100644
--- a/include/linux/net_dim.h
+++ b/include/linux/net_dim.h
@@ -40,6 +40,7 @@ struct net_dim_cq_moder {
u16 usec;
u16 pkts;
u8 cq_period_mode;
+ bool enabled;
};
struct net_dim_sample {
@@ -135,6 +136,7 @@ enum {
struct net_dim_cq_moder cq_moder = profile[cq_period_mode][ix];
cq_moder.cq_period_mode = cq_period_mode;
+ cq_moder.enabled = true;
return cq_moder;
}
--
1.8.3.1
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