RDMA/cxgb4: Support IB_WR_READ_WITH_INV opcode

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 9fb52fa75e2ae55936ee901f4f5a8e75f8c22a95..a41881b15e6deff08257836b5649d27bb9743c67 100644 (file)
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -572,9 +572,13 @@ int c4iw_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
                        err = build_rdma_write(wqe, wr, &len16);
                        break;
                case IB_WR_RDMA_READ:
+               case IB_WR_RDMA_READ_WITH_INV:
                        fw_opcode = FW_RI_RDMA_READ_WR;
                        swsqe->opcode = FW_RI_READ_REQ;
-                       fw_flags = 0;
+                       if (wr->opcode == IB_WR_RDMA_READ_WITH_INV)
+                               fw_flags |= FW_RI_RDMA_READ_INVALIDATE;
+                       else
+                               fw_flags = 0;
                        err = build_rdma_read(wqe, wr, &len16);
                        if (err)
                                break;