rdma_cap_ib_mcast
if (rdma_cap_ib_mcast(id_priv->id.device, id_priv->id.port_num))
} else if (rdma_cap_ib_mcast(id->device, id->port_num)) {
if (!rdma_cap_ib_mcast(dev->device, event->element.port_num))
if (!rdma_cap_ib_mcast(device, dev->start_port + i))
if (rdma_cap_ib_mcast(device, dev->start_port + i)) {