net_inject
ret = net_inject(net_data_p, NI_QUEUE_OUT, &inj_data);
ret = net_inject(net_data_p, NI_QUEUE_IN, &inj_data);
if (net_inject(net_data_p, NI_DIRECT_OUT, inj) < 0) {
extern int net_inject(net_handle_t, inject_t, net_inject_t *);