RDMA/qedr: Fix iWARP write and send with immediate

iWARP does not support RDMA WRITE or SEND with immediate data.
Driver should check this before submitting to FW and return an
immediate error

Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c
index 102b9e0efe9a5c6e4f42569ced70950f1be84a6f..875b17272d65289d2cfa826f3635683831e19886 100644 (file)
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -3034,6 +3034,11 @@ static int __qedr_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 
        switch (wr->opcode) {
        case IB_WR_SEND_WITH_IMM:
+               if (unlikely(rdma_protocol_iwarp(&dev->ibdev, 1))) {
+                       rc = -EINVAL;
+                       *bad_wr = wr;
+                       break;
+               }
                wqe->req_type = RDMA_SQ_REQ_TYPE_SEND_WITH_IMM;
                swqe = (struct rdma_sq_send_wqe_1st *)wqe;
                swqe->wqe_size = 2;
@@ -3075,6 +3080,11 @@ static int __qedr_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
                break;
 
        case IB_WR_RDMA_WRITE_WITH_IMM:
+               if (unlikely(rdma_protocol_iwarp(&dev->ibdev, 1))) {
+                       rc = -EINVAL;
+                       *bad_wr = wr;
+                       break;
+               }
                wqe->req_type = RDMA_SQ_REQ_TYPE_RDMA_WR_WITH_IMM;
                rwqe = (struct rdma_sq_rdma_wqe_1st *)wqe;