diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index a5583f0125ed..5dbfa49d1c6f 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -1717,11 +1717,11 @@ static int bnxt_re_init_qp_attr(struct bnxt_re_qp *qp, struct bnxt_re_pd *pd,
 				struct ib_qp_init_attr *init_attr,
 				struct bnxt_re_ucontext *uctx,
 				struct bnxt_re_qp_req *ureq,
-				struct bnxt_re_dbr_obj *dbr_obj)
+				struct bnxt_re_dbr_obj *dbr_obj,
+				bool fixed_que_attr)
 {
 	struct bnxt_qplib_dev_attr *dev_attr;
 	struct bnxt_qplib_qp *qplqp;
-	bool fixed_que_attr = false;
 	struct bnxt_re_dev *rdev;
 	struct bnxt_re_cq *cq;
 	int rc = 0, qptype;
@@ -1741,6 +1741,13 @@ static int bnxt_re_init_qp_attr(struct bnxt_re_qp *qp, struct bnxt_re_pd *pd,
 		return qptype;
 	qplqp->type = (u8)qptype;
 	qplqp->wqe_mode = bnxt_re_is_var_size_supported(rdev, uctx);
+	if (fixed_que_attr) {
+		if (qplqp->wqe_mode != BNXT_QPLIB_WQE_MODE_VARIABLE)
+			return -EOPNOTSUPP;
+		if (!ureq->sq_npsn ||
+		    ureq->sq_npsn > roundup_pow_of_two(ureq->sq_slots / 2))
+			return -EINVAL;
+	}
 	qplqp->dev_cap_flags = dev_attr->dev_cap_flags;
 	qplqp->cctx = rdev->chip_ctx;
 	if (init_attr->qp_type == IB_QPT_RC) {
@@ -1925,6 +1932,7 @@ int bnxt_re_create_qp(struct ib_qp *ib_qp, struct ib_qp_init_attr *qp_init_attr,
 	struct bnxt_qplib_dev_attr *dev_attr;
 	struct uverbs_attr_bundle *attrs;
 	struct bnxt_re_ucontext *uctx;
+	bool fixed_que_attr = false;
 	struct bnxt_re_qp_req ureq;
 	struct bnxt_re_dev *rdev;
 	struct bnxt_re_pd *pd;
@@ -1941,7 +1949,8 @@ int bnxt_re_create_qp(struct ib_qp *ib_qp, struct ib_qp_init_attr *qp_init_attr,
 
 	uctx = rdma_udata_to_drv_context(udata, struct bnxt_re_ucontext, ib_uctx);
 	if (udata) {
-		rc = ib_copy_validate_udata_in_cm(udata, ureq, qp_handle, 0);
+		rc = ib_copy_validate_udata_in_cm(udata, ureq, qp_handle,
+						  BNXT_RE_QP_REQ_MASK_FIXED_QUE_ATTR);
 		if (rc)
 			return rc;
 
@@ -1955,6 +1964,8 @@ int bnxt_re_create_qp(struct ib_qp *ib_qp, struct ib_qp_init_attr *qp_init_attr,
 			kref_get(&dbr_obj->usecnt);
 			qp->dbr_obj = dbr_obj;
 		}
+		if (ureq.comp_mask & BNXT_RE_QP_REQ_MASK_FIXED_QUE_ATTR)
+			fixed_que_attr = true;
 	}
 
 	rc = bnxt_re_test_qp_limits(rdev, qp_init_attr, dev_attr);
@@ -1965,7 +1976,7 @@ int bnxt_re_create_qp(struct ib_qp *ib_qp, struct ib_qp_init_attr *qp_init_attr,
 
 	qp->rdev = rdev;
 	rc = bnxt_re_init_qp_attr(qp, pd, qp_init_attr, uctx, &ureq,
-				  dbr_obj);
+				  dbr_obj, fixed_que_attr);
 	if (rc)
 		goto fail;
 
diff --git a/include/uapi/rdma/bnxt_re-abi.h b/include/uapi/rdma/bnxt_re-abi.h
index 4da8cda337dc..a4599d7b736a 100644
--- a/include/uapi/rdma/bnxt_re-abi.h
+++ b/include/uapi/rdma/bnxt_re-abi.h
@@ -126,7 +126,7 @@ struct bnxt_re_resize_cq_req {
 };
 
 enum bnxt_re_qp_mask {
-	BNXT_RE_QP_REQ_MASK_VAR_WQE_SQ_SLOTS = 0x1,
+	BNXT_RE_QP_REQ_MASK_FIXED_QUE_ATTR = 0x1,
 };
 
 struct bnxt_re_qp_req {