diff options
Diffstat (limited to 'drivers/net/mlx4/qp.c')
| -rw-r--r-- | drivers/net/mlx4/qp.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/net/mlx4/qp.c b/drivers/net/mlx4/qp.c index 7f8b7d55b6e1..19b48c71cf7f 100644 --- a/drivers/net/mlx4/qp.c +++ b/drivers/net/mlx4/qp.c @@ -113,8 +113,7 @@ int mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt, struct mlx4_cmd_mailbox *mailbox; int ret = 0; - if (cur_state < 0 || cur_state >= MLX4_QP_NUM_STATE || - new_state < 0 || cur_state >= MLX4_QP_NUM_STATE || + if (cur_state >= MLX4_QP_NUM_STATE || cur_state >= MLX4_QP_NUM_STATE || !op[cur_state][new_state]) return -EINVAL; @@ -278,3 +277,24 @@ void mlx4_cleanup_qp_table(struct mlx4_dev *dev) mlx4_CONF_SPECIAL_QP(dev, 0); mlx4_bitmap_cleanup(&mlx4_priv(dev)->qp_table.bitmap); } + +int mlx4_qp_query(struct mlx4_dev *dev, struct mlx4_qp *qp, + struct mlx4_qp_context *context) +{ + struct mlx4_cmd_mailbox *mailbox; + int err; + + mailbox = mlx4_alloc_cmd_mailbox(dev); + if (IS_ERR(mailbox)) + return PTR_ERR(mailbox); + + err = mlx4_cmd_box(dev, 0, mailbox->dma, qp->qpn, 0, + MLX4_CMD_QUERY_QP, MLX4_CMD_TIME_CLASS_A); + if (!err) + memcpy(context, mailbox->buf + 8, sizeof *context); + + mlx4_free_cmd_mailbox(dev, mailbox); + return err; +} +EXPORT_SYMBOL_GPL(mlx4_qp_query); + |