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net/mlx5e: RX, Hook NAPIs to page pools

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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: Dragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Dragos Tatulea 2023-04-13 17:14:05 +03:00 committed by Saeed Mahameed
parent 40afb3b144
commit a880f81473
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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@ -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;