Function bridge_ioctl_sifflags

freebsd/net/if_bridge.c:1326–1364

}

static int
bridge_ioctl_sifflags(struct bridge_softc *sc, void *arg)
{
	struct ifbreq *req = arg;
	struct bridge_iflist *bif;
	struct bstp_port *bp;
	int error;

	bif = bridge_lookup_member(sc, req->ifbr_ifsname);
	if (bif == NULL)
		return (ENOENT);
	bp = &bif->bif_stp;

	if (req->ifbr_ifsflags & IFBIF_SPAN)
		/* SPAN is readonly */
		return (EINVAL);

	if (req->ifbr_ifsflags & IFBIF_STP) {
		if ((bif->bif_flags & IFBIF_STP) == 0) {
			error = bstp_enable(&bif->bif_stp);
			if (error)
				return (error);
		}
	} else {
		if ((bif->bif_flags & IFBIF_STP) != 0)
			bstp_disable(&bif->bif_stp);
	}

	/* Pass on STP flags */
	bstp_set_edge(bp, req->ifbr_ifsflags & IFBIF_BSTP_EDGE ? 1 : 0);
	bstp_set_autoedge(bp, req->ifbr_ifsflags & IFBIF_BSTP_AUTOEDGE ? 1 : 0);
	bstp_set_ptp(bp, req->ifbr_ifsflags & IFBIF_BSTP_PTP ? 1 : 0);
	bstp_set_autoptp(bp, req->ifbr_ifsflags & IFBIF_BSTP_AUTOPTP ? 1 : 0);

	/* Save the bits relating to the bridge */
	bif->bif_flags = req->ifbr_ifsflags & IFBIFMASK;

	return (0);
}

static int
bridge_ioctl_scache(struct bridge_softc *sc, void *arg)