eth: mlx4: create a page pool for Rx

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Create a pool per rx queue. Subsequent patches will make use of it.

Move fcs_del to a hole to make space for the pointer.

Per common "wisdom" base the page pool size on the ring size.
Note that the page pool cache size is in full pages, so just
round up the effective buffer size to pages.

Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20250213010635.1354034-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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This commit is contained in:

Jakub Kicinski 2025-02-12 17:06:32 -08:00

parent 4991b88c25

commit 8533b14b3d

2 changed files with 25 additions and 2 deletions

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24

drivers/net/ethernet/mellanox/mlx4/en_rx.c

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3

drivers/net/ethernet/mellanox/mlx4/mlx4_en.h

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