diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx4/cq.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/cq.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c index 8ac7b973f87..7360bbafbe8 100644 --- a/drivers/infiniband/hw/mlx4/cq.c +++ b/drivers/infiniband/hw/mlx4/cq.c @@ -326,6 +326,12 @@ static int mlx4_ib_poll_one(struct mlx4_ib_cq *cq, is_error = (cqe->owner_sr_opcode & MLX4_CQE_OPCODE_MASK) == MLX4_CQE_OPCODE_ERROR; + if (unlikely((cqe->owner_sr_opcode & MLX4_CQE_OPCODE_MASK) == MLX4_OPCODE_NOP && + is_send)) { + printk(KERN_WARNING "Completion for NOP opcode detected!\n"); + return -EINVAL; + } + if (!*cur_qp || (be32_to_cpu(cqe->my_qpn) & 0xffffff) != (*cur_qp)->mqp.qpn) { /* @@ -348,8 +354,10 @@ static int mlx4_ib_poll_one(struct mlx4_ib_cq *cq, if (is_send) { wq = &(*cur_qp)->sq; - wqe_ctr = be16_to_cpu(cqe->wqe_index); - wq->tail += (u16) (wqe_ctr - (u16) wq->tail); + if (!(*cur_qp)->sq_signal_bits) { + wqe_ctr = be16_to_cpu(cqe->wqe_index); + wq->tail += (u16) (wqe_ctr - (u16) wq->tail); + } wc->wr_id = wq->wrid[wq->tail & (wq->wqe_cnt - 1)]; ++wq->tail; } else if ((*cur_qp)->ibqp.srq) { |