Function lagg_bcast_start

freebsd/net/if_lagg.c:2327–2372

* Broadcast mode */

 * Broadcast mode
 */
static int
lagg_bcast_start(struct lagg_softc *sc, struct mbuf *m)
{
	int active_ports = 0;
	int errors = 0;
	int ret;
	struct lagg_port *lp, *last = NULL;
	struct mbuf *m0;

	NET_EPOCH_ASSERT();
	CK_SLIST_FOREACH(lp, &sc->sc_ports, lp_entries) {
		if (!LAGG_PORTACTIVE(lp))
			continue;

		active_ports++;

		if (last != NULL) {
			m0 = m_copym(m, 0, M_COPYALL, M_NOWAIT);
			if (m0 == NULL) {
				ret = ENOBUFS;
				errors++;
				break;
			}
			lagg_enqueue(last->lp_ifp, m0);
		}
		last = lp;
	}

	if (last == NULL) {
		if_inc_counter(sc->sc_ifp, IFCOUNTER_OERRORS, 1);
		m_freem(m);
		return (ENOENT);
	}
	if ((last = lagg_link_active(sc, last)) == NULL) {
		errors++;
		if_inc_counter(sc->sc_ifp, IFCOUNTER_OERRORS, errors);
		m_freem(m);
		return (ENETDOWN);
	}

	ret = lagg_enqueue(last->lp_ifp, m);
	if (errors != 0)
		if_inc_counter(sc->sc_ifp, IFCOUNTER_OERRORS, errors);

	return (ret);
}

static struct mbuf*
lagg_bcast_input(struct lagg_softc *sc, struct lagg_port *lp, struct mbuf *m)