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| author |   Maxim Mikityanskiy <maximmi@nvidia.com> | 2022-09-29 00:21:52 -0700 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2022-09-30 07:55:47 -0700 |
| commit | 672db0243349d3510e2c7f9942e97945a296f73e (patch) | |
| tree | 10a33724ce923bd932d334443ad806358df385c6 /drivers/net/ethernet/mellanox/mlx5/core/en.h | |
| parent | net/mlx5e: Remove DMA address from mlx5e_alloc_unit (diff) | |
| download | linux-dev-672db0243349d3510e2c7f9942e97945a296f73e.tar.xz linux-dev-672db0243349d3510e2c7f9942e97945a296f73e.zip | |
net/mlx5e: Convert struct mlx5e_alloc_unit to a union
struct mlx5e_alloc_unit consists of a single union. Convert it to a
union itself to simplify casting it to struct xdp_buff *, which will be
used to implement XSK batching on striding RQ.
Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en.h | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 944bf4c92582..95a232fb2127 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -474,11 +474,9 @@ struct mlx5e_txqsq { cqe_ts_to_ns ptp_cyc2time; } ____cacheline_aligned_in_smp; -struct mlx5e_alloc_unit { - union { - struct page *page; - struct xdp_buff *xsk; - }; +union mlx5e_alloc_unit { + struct page *page; + struct xdp_buff *xsk; }; /* XDP packets can be transmitted in different ways. On completion, we need to @@ -607,7 +605,7 @@ struct mlx5e_icosq { } ____cacheline_aligned_in_smp; struct mlx5e_wqe_frag_info { - struct mlx5e_alloc_unit *au; + union mlx5e_alloc_unit *au; u32 offset; bool last_in_page; }; @@ -615,7 +613,7 @@ struct mlx5e_wqe_frag_info { struct mlx5e_mpw_info { u16 consumed_strides; DECLARE_BITMAP(xdp_xmit_bitmap, MLX5_MPWRQ_MAX_PAGES_PER_WQE); - struct mlx5e_alloc_unit alloc_units[]; + union mlx5e_alloc_unit alloc_units[]; }; #define MLX5E_MAX_RX_FRAGS 4 @@ -694,7 +692,7 @@ struct mlx5e_rq { struct { struct mlx5_wq_cyc wq; struct mlx5e_wqe_frag_info *frags; - struct mlx5e_alloc_unit *alloc_units; + union mlx5e_alloc_unit *alloc_units; struct mlx5e_rq_frags_info info; mlx5e_fp_skb_from_cqe skb_from_cqe; } wqe; |