RDMA/ocrdma: Allow only SEND opcode in case of UD QPs

Prevent posting opcodes other than send and send immediate on the UD QPs.

Signed-off-by: Mitesh Ahuja <mitesh.ahuja@emulex.Com>
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index 2b68235..7f54d24 100644 (file)
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -2055,6 +2055,13 @@ int ocrdma_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
        }
 
        while (wr) {
+               if (qp->qp_type == IB_QPT_UD &&
+                   (wr->opcode != IB_WR_SEND &&
+                    wr->opcode != IB_WR_SEND_WITH_IMM)) {
+                       *bad_wr = wr;
+                       status = -EINVAL;
+                       break;
+               }
                if (ocrdma_hwq_free_cnt(&qp->sq) == 0 ||
                    wr->num_sge > qp->sq.max_sges) {
                        *bad_wr = wr;