From: Yishai Hadas <yish...@mellanox.com> commit f2940e2c76bb554a7fbdd28ca5b90904117a9e96 upstream.
When calculating the required size of an RC QP send queue, leave enough space for masked atomic operations, which require more space than "regular" atomic operation. Fixes: 6fa8f719844b ("IB/mlx4: Add support for masked atomic operations") Signed-off-by: Yishai Hadas <yish...@mellanox.com> Reviewed-by: Jack Morgenstein <ja...@mellanox.co.il> Reviewed-by: Eran Ben Elisha <era...@mellanox.com> Signed-off-by: Leon Romanovsky <l...@kernel.org> Signed-off-by: Doug Ledford <dledf...@redhat.com> Signed-off-by: Willy Tarreau <w...@1wt.eu> --- drivers/infiniband/hw/mlx4/qp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index 262a184..1fe3bdb 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -346,7 +346,7 @@ static int send_wqe_overhead(enum mlx4_ib_qp_type type, u32 flags) sizeof (struct mlx4_wqe_raddr_seg); case MLX4_IB_QPT_RC: return sizeof (struct mlx4_wqe_ctrl_seg) + - sizeof (struct mlx4_wqe_atomic_seg) + + sizeof (struct mlx4_wqe_masked_atomic_seg) + sizeof (struct mlx4_wqe_raddr_seg); case MLX4_IB_QPT_SMI: case MLX4_IB_QPT_GSI: -- 2.8.0.rc2.1.gbe9624a