net/mlx5: add frag buf pools create/destroy paths

Introduce mlx5 DMA pool and pool-page data structures, and add the
creation and teardown paths.

Each NUMA node owns a set of mlx5_dma_pool instances, each one with a
different block size. The sizes are defined as all powers of two
starting from MLX5_ADAPTER_PAGE_SHIFT and up to PAGE_SHIFT. Since
mlx5_frag_bufs are used to back objects whose sizes are encoded relative
to MLX5_ADAPTER_PAGE_SHIFT, a smaller block_shift value cannot be used.
Requests larger than PAGE_SIZE continue to be handled as page-sized
fragments, as in the existing frag-buf allocation model.

Signed-off-by: Nimrod Oren <noren@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20260429201429.223809-3-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

0 files changed, 0 insertions, 0 deletions