Commit a880f814 authored by Dragos Tatulea's avatar Dragos Tatulea Committed by Saeed Mahameed
Browse files

net/mlx5e: RX, Hook NAPIs to page pools 



Linking the NAPI to the rq page_pool to improve page_pool cache
usage during skb recycling.

Here are the observed improvements for a iperf single stream
test case:

- For 1500 MTU and legacy rq, seeing a 20% improvement of cache usage.

- For 9K MTU, seeing 33-40 % page_pool cache usage improvements for
both striding and legacy rq (depending if the application is running on
the same core as the rq or not).

Signed-off-by: default avatarDragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: default avatarTariq Toukan <tariqt@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent 40afb3b1

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

+1 −0
Original line number Diff line number Diff line
@@ -857,6 +857,7 @@ static int mlx5e_alloc_rq(struct mlx5e_params *params, 
		pp_params.pool_size = pool_size;

		pp_params.nid       = node;

		pp_params.dev       = rq->pdev;

		pp_params.napi      = rq->cq.napi;

		pp_params.dma_dir   = rq->buff.map_dir;

		pp_params.max_len   = PAGE_SIZE;