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>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 9fb52fa75e2a..a41881b15e6d 100644
--- 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;