diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx4')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/cq.c | 4 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mlx4/qp.c | 15 |
2 files changed, 11 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c index 2f199c5c4a7..4521319b140 100644 --- a/drivers/infiniband/hw/mlx4/cq.c +++ b/drivers/infiniband/hw/mlx4/cq.c @@ -246,7 +246,7 @@ err_mtt: if (context) ib_umem_release(cq->umem); else - mlx4_ib_free_cq_buf(dev, &cq->buf, entries); + mlx4_ib_free_cq_buf(dev, &cq->buf, cq->ibcq.cqe); err_db: if (!context) @@ -434,7 +434,7 @@ int mlx4_ib_destroy_cq(struct ib_cq *cq) mlx4_ib_db_unmap_user(to_mucontext(cq->uobject->context), &mcq->db); ib_umem_release(mcq->umem); } else { - mlx4_ib_free_cq_buf(dev, &mcq->buf, cq->cqe + 1); + mlx4_ib_free_cq_buf(dev, &mcq->buf, cq->cqe); mlx4_db_free(dev->dev, &mcq->db); } diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index 8e02ecfec18..a80df22deae 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -333,6 +333,9 @@ static int set_kernel_sq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap, cap->max_inline_data + sizeof (struct mlx4_wqe_inline_seg)) + send_wqe_overhead(type, qp->flags); + if (s > dev->dev->caps.max_sq_desc_sz) + return -EINVAL; + /* * Hermon supports shrinking WQEs, such that a single work * request can include multiple units of 1 << wqe_shift. This @@ -372,9 +375,6 @@ static int set_kernel_sq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap, qp->sq.wqe_shift = ilog2(roundup_pow_of_two(s)); for (;;) { - if (1 << qp->sq.wqe_shift > dev->dev->caps.max_sq_desc_sz) - return -EINVAL; - qp->sq_max_wqes_per_wr = DIV_ROUND_UP(s, 1U << qp->sq.wqe_shift); /* @@ -395,7 +395,8 @@ static int set_kernel_sq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap, ++qp->sq.wqe_shift; } - qp->sq.max_gs = ((qp->sq_max_wqes_per_wr << qp->sq.wqe_shift) - + qp->sq.max_gs = (min(dev->dev->caps.max_sq_desc_sz, + (qp->sq_max_wqes_per_wr << qp->sq.wqe_shift)) - send_wqe_overhead(type, qp->flags)) / sizeof (struct mlx4_wqe_data_seg); @@ -411,7 +412,9 @@ static int set_kernel_sq_size(struct mlx4_ib_dev *dev, struct ib_qp_cap *cap, cap->max_send_wr = qp->sq.max_post = (qp->sq.wqe_cnt - qp->sq_spare_wqes) / qp->sq_max_wqes_per_wr; - cap->max_send_sge = qp->sq.max_gs; + cap->max_send_sge = min(qp->sq.max_gs, + min(dev->dev->caps.max_sq_sg, + dev->dev->caps.max_rq_sg)); /* We don't support inline sends for kernel QPs (yet) */ cap->max_inline_data = 0; @@ -1457,7 +1460,7 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, unsigned ind; int uninitialized_var(stamp); int uninitialized_var(size); - unsigned seglen; + unsigned uninitialized_var(seglen); int i; spin_lock_irqsave(&qp->sq.lock, flags); |