RDMA/qedr: Fix iWARP write and send with immediate
authorKalderon, Michal <Michal.Kalderon@cavium.com>
Mon, 5 Mar 2018 08:50:11 +0000 (10:50 +0200)
committerJason Gunthorpe <jgg@mellanox.com>
Wed, 7 Mar 2018 02:57:37 +0000 (19:57 -0700)
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>
drivers/infiniband/hw/qedr/verbs.c

index 102b9e0efe9a5c6e4f42569ced70950f1be84a6f..875b17272d65289d2cfa826f3635683831e19886 100644 (file)
@@ -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;