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Commit 62abb841 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin Committed by Roland Dreier
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[IB] mthca: fix posting of atomic operations 



The size of work requests for atomic operations was computed
incorrectly in mthca: all sizeofs need to be divided by 16.

Signed-off-by: default avatarMichael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent 77369ed3

drivers/infiniband/hw/mthca/mthca_qp.c

+4 −4
Original line number Diff line number Diff line
@@ -1556,8 +1556,8 @@ int mthca_tavor_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 
				}



				wqe += sizeof (struct mthca_atomic_seg);

				size += sizeof (struct mthca_raddr_seg) / 16 +

					sizeof (struct mthca_atomic_seg);

				size += (sizeof (struct mthca_raddr_seg) +

					 sizeof (struct mthca_atomic_seg)) / 16;

				break;



			case IB_WR_RDMA_WRITE:
@@ -1876,8 +1876,8 @@ int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, 
				}



				wqe += sizeof (struct mthca_atomic_seg);

				size += sizeof (struct mthca_raddr_seg) / 16 +

					sizeof (struct mthca_atomic_seg);

				size += (sizeof (struct mthca_raddr_seg) +

					 sizeof (struct mthca_atomic_seg)) / 16;

				break;



			case IB_WR_RDMA_READ: