M_NETIF_RECEIVE
((pkt_dev->xmit_mode == M_NETIF_RECEIVE) ||
pkt_dev->xmit_mode = M_NETIF_RECEIVE;
if (pkt_dev->xmit_mode == M_NETIF_RECEIVE) {
if (pkt_dev->xmit_mode == M_NETIF_RECEIVE)