netdev - [PATCH net-next V2 5/9] net/mlx5e: Set drop RQ's necessary parameters only

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Message-Id: <1456846942-15082-6-git-send-email-saeedm@mellanox.com>
Date:	Tue,  1 Mar 2016 17:42:18 +0200
From:	Saeed Mahameed <saeedm@...lanox.com>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, Or Gerlitz <ogerlitz@...lanox.com>,
	Eran Ben Elisha <eranbe@...lanox.com>,
	Tal Alon <talal@...lanox.com>,
	Majd Dibbiny <majd@...lanox.com>,
	Tariq Toukan <tariqt@...lanox.com>,
	Saeed Mahameed <saeedm@...lanox.com>
Subject: [PATCH net-next V2 5/9] net/mlx5e: Set drop RQ's necessary parameters only

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

By its role, there is no need to set all the other parameters
for the drop RQ.

Signed-off-by: Tariq Toukan <tariqt@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 013be09..30fd971 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -1064,6 +1064,15 @@ static void mlx5e_build_rq_param(struct mlx5e_priv *priv,
 	param->wq.linear = 1;
 }
 
+static void mlx5e_build_drop_rq_param(struct mlx5e_rq_param *param)
+{
+	void *rqc = param->rqc;
+	void *wq = MLX5_ADDR_OF(rqc, rqc, wq);
+
+	MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST);
+	MLX5_SET(wq, wq, log_wq_stride,    ilog2(sizeof(struct mlx5e_rx_wqe)));
+}
+
 static void mlx5e_build_sq_param(struct mlx5e_priv *priv,
 				 struct mlx5e_sq_param *param)
 {
@@ -1574,8 +1583,7 @@ static int mlx5e_open_drop_rq(struct mlx5e_priv *priv)
 
 	memset(&cq_param, 0, sizeof(cq_param));
 	memset(&rq_param, 0, sizeof(rq_param));
-	mlx5e_build_rx_cq_param(priv, &cq_param);
-	mlx5e_build_rq_param(priv, &rq_param);
+	mlx5e_build_drop_rq_param(&rq_param);
 
 	err = mlx5e_create_drop_cq(priv, cq, &cq_param);
 	if (err)
-- 
1.7.1