netdev - [net-next 14/15] net/mlx5e: Do not request completion on every single UMR WQE

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Date:   Thu, 16 Jul 2020 14:33:20 -0700
From:   Saeed Mahameed <saeedm@...lanox.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <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 14/15] net/mlx5e: Do not request completion on every single UMR WQE

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

UMR WQEs are posted in bulks, and HW is notified once per a bulk.
Reduce the number of completions by requesting such only for
the last WQE of the bulk.

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 | 1 -
 1 file changed, 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 88ea1908cb14a..9d5d8b28bcd81 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -232,7 +232,6 @@ static inline void mlx5e_build_umr_wqe(struct mlx5e_rq *rq,
 
 	cseg->qpn_ds    = cpu_to_be32((sq->sqn << MLX5_WQE_CTRL_QPN_SHIFT) |
 				      ds_cnt);
-	cseg->fm_ce_se  = MLX5_WQE_CTRL_CQ_UPDATE;
 	cseg->umr_mkey  = rq->mkey_be;
 
 	ucseg->flags = MLX5_UMR_TRANSLATION_OFFSET_EN | MLX5_UMR_INLINE;
-- 
2.26.2