IB/mlx5: Reset flow support for IB kernel ULPs

[karo-tx-linux.git] / drivers / infiniband / hw / mlx5 / srq.c

diff --git a/drivers/infiniband/hw/mlx5/srq.c b/drivers/infiniband/hw/mlx5/srq.c
index 3b2ddd64a371689e1533cb08c23007a4d6016b03..55efb343137bcdbda2903b19dfb9da5c3a984a1a 100644 (file)
--- a/drivers/infiniband/hw/mlx5/srq.c
+++ b/drivers/infiniband/hw/mlx5/srq.c
@@ -458,6 +458,8 @@ int mlx5_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
        struct mlx5_ib_srq *srq = to_msrq(ibsrq);
        struct mlx5_wqe_srq_next_seg *next;
        struct mlx5_wqe_data_seg *scat;
+       struct mlx5_ib_dev *dev = to_mdev(ibsrq->device);
+       struct mlx5_core_dev *mdev = dev->mdev;
        unsigned long flags;
        int err = 0;
        int nreq;
@@ -465,6 +467,12 @@ int mlx5_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
 
        spin_lock_irqsave(&srq->lock, flags);
 
+       if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) {
+               err = -EIO;
+               *bad_wr = wr;
+               goto out;
+       }
+
        for (nreq = 0; wr; nreq++, wr = wr->next) {
                if (unlikely(wr->num_sge > srq->msrq.max_gs)) {
                        err = -EINVAL;
@@ -507,7 +515,7 @@ int mlx5_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
 
                *srq->db.db = cpu_to_be32(srq->wqe_ctr);
        }
-
+out:
        spin_unlock_irqrestore(&srq->lock, flags);
 
        return err;