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Commit 9a3956da authored by Tariq Toukan's avatar Tariq Toukan Committed by Saeed Mahameed
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net/mlx5e: TX, Move DB fields in TXQ-SQ struct 



Pointers in DB are static, move them to read-only area so they
do not share a cacheline with fields modified in datapath.

Signed-off-by: default avatarTariq Toukan <tariqt@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent d3398a4f

drivers/net/ethernet/mellanox/mlx5/core/en.h

+4 −6
Original line number Diff line number Diff line
@@ -365,16 +365,14 @@ struct mlx5e_txqsq { 


	struct mlx5e_cq            cq;



	/* write@xmit, read@completion */

	struct {

		struct mlx5e_sq_dma       *dma_fifo;

		struct mlx5e_tx_wqe_info  *wqe_info;

	} db;



	/* read only */

	struct mlx5_wq_cyc         wq;

	u32                        dma_fifo_mask;

	struct mlx5e_sq_stats     *stats;

	struct {

		struct mlx5e_sq_dma       *dma_fifo;

		struct mlx5e_tx_wqe_info  *wqe_info;

	} db;

	void __iomem              *uar_map;

	struct netdev_queue       *txq;

	u32                        sqn;