[PATCH v5 net-next 13/36] net/mlx5e: KLM UMR helper macros
From: Boris Pismenny <borisp@nvidia.com>
Date: 2021-07-22 11:14:52
Also in:
netdev
Subsystem:
mellanox mlx5 core vpi driver, networking drivers, the rest · Maintainers:
Saeed Mahameed, Leon Romanovsky, Tariq Toukan, Mark Bloch, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Ben Ben-Ishay <redacted> Add helper macros for posting KLM UMR WQE. Signed-off-by: Boris Pismenny <redacted> Signed-off-by: Ben Ben-Ishay <redacted> Signed-off-by: Or Gerlitz <redacted> Signed-off-by: Yoray Zack <redacted> --- drivers/net/ethernet/mellanox/mlx5/core/en.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index 1233ebcf311b..5bc38002d136 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h@@ -155,6 +155,24 @@ struct page_pool; #define MLX5E_UMR_WQEBBS \ (DIV_ROUND_UP(MLX5E_UMR_WQE_INLINE_SZ, MLX5_SEND_WQE_BB)) +#define KLM_ALIGNMENT 4 +#define MLX5E_KLM_UMR_WQE_SZ(sgl_len)\ + (sizeof(struct mlx5e_umr_wqe) +\ + (sizeof(struct mlx5_klm) * (sgl_len))) + +#define MLX5E_KLM_UMR_WQEBBS(sgl_len)\ + (DIV_ROUND_UP(MLX5E_KLM_UMR_WQE_SZ(sgl_len), MLX5_SEND_WQE_BB)) + +#define MLX5E_KLM_UMR_DS_CNT(sgl_len)\ + DIV_ROUND_UP(MLX5E_KLM_UMR_WQE_SZ(sgl_len), MLX5_SEND_WQE_DS) + +#define MLX5E_MAX_KLM_ENTRIES_PER_WQE(wqe_size)\ + (((wqe_size) - sizeof(struct mlx5e_umr_wqe)) / sizeof(struct mlx5_klm)) + +#define MLX5E_KLM_ENTRIES_PER_WQE(wqe_size)\ + (MLX5E_MAX_KLM_ENTRIES_PER_WQE(wqe_size) -\ + (MLX5E_MAX_KLM_ENTRIES_PER_WQE(wqe_size) % KLM_ALIGNMENT)) + #define MLX5E_MSG_LEVEL NETIF_MSG_LINK #define mlx5e_dbg(mlevel, priv, format, ...) \
--
2.24.1
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