[net-next 03/17] net/mlx5e: Remove unnecessary wqe_sz field from RQ buffer
From: Saeed Mahameed <hidden>
Date: 2017-09-03 04:22:11
Subsystem:
mellanox ethernet driver (mlx5e), mellanox mlx5 core vpi driver, networking drivers, the rest · Maintainers:
Saeed Mahameed, Tariq Toukan, Mark Bloch, Leon Romanovsky, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Tariq Toukan <redacted> Field is used only locally within the RQ create function. The use of a local variable is sufficient. Signed-off-by: Tariq Toukan <redacted> Signed-off-by: Saeed Mahameed <redacted> --- drivers/net/ethernet/mellanox/mlx5/core/en.h | 1 - drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 8 +++----- 2 files changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index 44bd8df905ca..ce8b4f648757 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h@@ -540,7 +540,6 @@ struct mlx5e_rq { } mpwqe; }; struct { - u32 wqe_sz; /* wqe data buffer size */ u16 headroom; u8 page_order; u8 map_dir; /* dma map direction */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 7a25d952c922..591e0dca9671 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c@@ -618,8 +618,7 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, rq->mpwqe.log_stride_sz = params->mpwqe_log_stride_sz; rq->mpwqe.num_strides = BIT(params->mpwqe_log_num_strides); - rq->buff.wqe_sz = rq->mpwqe.num_strides << rq->mpwqe.log_stride_sz; - byte_count = rq->buff.wqe_sz; + byte_count = rq->mpwqe.num_strides << rq->mpwqe.log_stride_sz; err = mlx5e_create_rq_umr_mkey(mdev, rq); if (err)
@@ -654,15 +653,14 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, goto err_rq_wq_destroy; } - rq->buff.wqe_sz = params->lro_en ? + byte_count = params->lro_en ? params->lro_wqe_sz : MLX5E_SW2HW_MTU(c->priv, c->netdev->mtu); #ifdef CONFIG_MLX5_EN_IPSEC if (MLX5_IPSEC_DEV(mdev)) - rq->buff.wqe_sz += MLX5E_METADATA_ETHER_LEN; + byte_count += MLX5E_METADATA_ETHER_LEN; #endif rq->wqe.page_reuse = !params->xdp_prog && !params->lro_en; - byte_count = rq->buff.wqe_sz; /* calc the required page order */ rq->wqe.frag_sz = MLX5_SKB_FRAG_SZ(rq->buff.headroom + byte_count);
--
2.13.0