[PATCH net-next 1/5] net/mlx5e: XSK, Increase size for chunk_size param
From: Tariq Toukan <tariqt@nvidia.com>
Date: 2026-03-19 07:52:12
Also in:
bpf, linux-rdma, lkml
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: Dragos Tatulea <dtatulea@nvidia.com>
When 64K pages are used, chunk_size can take the 64K value
which doesn't fit in u16. This results in overflows that
are detected in mlx5e_mpwrq_log_wqe_sz().
Increase the type to u32 to fix this.
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: Carolina Jubran <redacted>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
---
drivers/net/ethernet/mellanox/mlx5/core/en/params.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/params.h b/drivers/net/ethernet/mellanox/mlx5/core/en/params.h
index 9b1a2aed17c3..275f9be53a34 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/params.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/params.h
@@ -8,7 +8,7 @@
struct mlx5e_xsk_param {
u16 headroom;
- u16 chunk_size;
+ u32 chunk_size;
bool unaligned;
};
--
2.44.0