OPA_16B_MGMT_QPN_MASK
return be32_to_cpu(mgmt->dest_qpn) & OPA_16B_MGMT_QPN_MASK;
return be32_to_cpu(mgmt->src_qpn) & OPA_16B_MGMT_QPN_MASK;
mgmt->dest_qpn = cpu_to_be32(dest_qp & OPA_16B_MGMT_QPN_MASK);
mgmt->src_qpn = cpu_to_be32(src_qp & OPA_16B_MGMT_QPN_MASK);