From mboxrd@z Thu Jan 1 00:00:00 1970 From: Haggai Eran Subject: [PATCH for-next 02/10] IB/mlx5: Modify QP debugging prints Date: Mon, 29 Feb 2016 15:45:04 +0200 Message-ID: <1456753512-17688-3-git-send-email-haggaie@mellanox.com> References: <1456753512-17688-1-git-send-email-haggaie@mellanox.com> Return-path: In-Reply-To: <1456753512-17688-1-git-send-email-haggaie-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Doug Ledford Cc: Haggai Eran , Leon Romanovsky , Matan Barak , Hal Rosenstock , Jason Gunthorpe , linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org Add debugging prints to the modify QP verb to help understand the cause a returned error. Reviewed-by: Leon Romanovsky Signed-off-by: Haggai Eran --- drivers/infiniband/hw/mlx5/qp.c | 29 +++++++++++++++++++++++------ 1 file changed, 23 insertions(+), 6 deletions(-) diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 7cf789d1aa29..784ddf77fca2 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -2173,8 +2173,10 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, context = &in->ctx; err = to_mlx5_st(ibqp->qp_type); - if (err < 0) + if (err < 0) { + mlx5_ib_dbg(dev, "unsupported qp type %d\n", ibqp->qp_type); goto out; + } context->flags = cpu_to_be32(err << 16); @@ -2394,30 +2396,45 @@ int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, if (ibqp->qp_type != MLX5_IB_QPT_REG_UMR && !ib_modify_qp_is_ok(cur_state, new_state, ibqp->qp_type, attr_mask, - ll)) + ll)) { + mlx5_ib_dbg(dev, "invalid QP state transition from %d to %d, qp_type %d, attr_mask 0x%x\n", + cur_state, new_state, ibqp->qp_type, attr_mask); goto out; + } if ((attr_mask & IB_QP_PORT) && (attr->port_num == 0 || - attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports))) + attr->port_num > MLX5_CAP_GEN(dev->mdev, num_ports))) { + mlx5_ib_dbg(dev, "invalid port number %d. number of ports is %d\n", + attr->port_num, dev->num_ports); goto out; + } if (attr_mask & IB_QP_PKEY_INDEX) { port = attr_mask & IB_QP_PORT ? attr->port_num : qp->port; if (attr->pkey_index >= - dev->mdev->port_caps[port - 1].pkey_table_len) + dev->mdev->port_caps[port - 1].pkey_table_len) { + mlx5_ib_dbg(dev, "invalid pkey index %d\n", + attr->pkey_index); goto out; + } } if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && attr->max_rd_atomic > - (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) + (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_res_qp))) { + mlx5_ib_dbg(dev, "invalid max_rd_atomic value %d\n", + attr->max_rd_atomic); goto out; + } if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && attr->max_dest_rd_atomic > - (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) + (1 << MLX5_CAP_GEN(dev->mdev, log_max_ra_req_qp))) { + mlx5_ib_dbg(dev, "invalid max_dest_rd_atomic value %d\n", + attr->max_dest_rd_atomic); goto out; + } if (cur_state == new_state && cur_state == IB_QPS_RESET) { err = 0; -- 1.7.11.2 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html