netdev - [net-next 13/15] net/mlx5e: Increase Async ICO SQ size

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Message-Id: <20200627211727.259569-14-saeedm@mellanox.com>
Date:   Sat, 27 Jun 2020 14:17:25 -0700
From:   Saeed Mahameed <saeedm@...lanox.com>
To:     "David S. Miller" <davem@...emloft.net>, kuba@...nel.org
Cc:     netdev@...r.kernel.org, Tariq Toukan <tariqt@...lanox.com>,
        Maxim Mikityanskiy <maximmi@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>
Subject: [net-next 13/15] net/mlx5e: Increase Async ICO SQ size

From: Tariq Toukan <tariqt@...lanox.com>

Resync communication with HW for kTLS RX is done via the
async ICOSQs.
kTLS RX resync requests might come in bursts. To improve the
success chances for such bursts, use a larger ICOSQ.

Signed-off-by: Tariq Toukan <tariqt@...lanox.com>
Reviewed-by: Maxim Mikityanskiy <maximmi@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 0f1578a5e538..3e6fcd545d2c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -2306,6 +2306,14 @@ static u8 mlx5e_build_icosq_log_wq_sz(struct mlx5e_params *params,
 	}
 }
 
+static u8 mlx5e_build_async_icosq_log_wq_sz(struct net_device *netdev)
+{
+	if (netdev->hw_features & NETIF_F_HW_TLS_RX)
+		return MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE;
+
+	return MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE;
+}
+
 static void mlx5e_build_channel_param(struct mlx5e_priv *priv,
 				      struct mlx5e_params *params,
 				      struct mlx5e_channel_param *cparam)
@@ -2315,7 +2323,7 @@ static void mlx5e_build_channel_param(struct mlx5e_priv *priv,
 	mlx5e_build_rq_param(priv, params, NULL, &cparam->rq);
 
 	icosq_log_wq_sz = mlx5e_build_icosq_log_wq_sz(params, &cparam->rq);
-	async_icosq_log_wq_sz = MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE;
+	async_icosq_log_wq_sz = mlx5e_build_async_icosq_log_wq_sz(priv->netdev);
 
 	mlx5e_build_sq_param(priv, params, &cparam->txq_sq);
 	mlx5e_build_xdpsq_param(priv, params, &cparam->xdp_sq);
-- 
2.26.2