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IB/mlx4: Fix the SQ size of an RC QP 

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: 6fa8f71984 ("IB/mlx4: Add support for masked atomic operations")
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Jack Morgenstein <jackm@mellanox.co.il>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Yishai Hadas 2016-06-22 17:27:28 +03:00 committed by Doug Ledford
parent 00bf534fce
commit f2940e2c76
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/mlx4/qp.c
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@ -362,7 +362,7 @@ 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: