Commit 0bdc89b3 authored May 01, 2019 by Tariq Toukan Committed by Saeed Mahameed Jul 16, 2020

net/mlx5e: Do not request completion on every single UMR WQE



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@mellanox.com>
Reviewed-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

parent 2901a5c6

drivers/net/ethernet/mellanox/mlx5/core/en_main.c

+0 −1

Original line number	Diff line number	Diff line
		@@ -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;

Admin message