Function vxlan_clone_create

freebsd/net/if_vxlan.c:3154–3220

}

static int
vxlan_clone_create(struct if_clone *ifc, int unit, caddr_t params)
{
	struct vxlan_softc *sc;
	struct ifnet *ifp;
	struct ifvxlanparam vxlp;
	int error;

	sc = malloc(sizeof(struct vxlan_softc), M_VXLAN, M_WAITOK | M_ZERO);
	sc->vxl_unit = unit;
	vxlan_set_default_config(sc);
	error = vxlan_stats_alloc(sc);
	if (error != 0)
		goto fail;

	if (params != 0) {
		error = copyin(params, &vxlp, sizeof(vxlp));
		if (error)
			goto fail;

		error = vxlan_set_user_config(sc, &vxlp);
		if (error)
			goto fail;
	}

	ifp = if_alloc(IFT_ETHER);
	if (ifp == NULL) {
		error = ENOSPC;
		goto fail;
	}

	sc->vxl_ifp = ifp;
	rm_init(&sc->vxl_lock, "vxlanrm");
	callout_init_rw(&sc->vxl_callout, &sc->vxl_lock, 0);
	sc->vxl_port_hash_key = arc4random();
	vxlan_ftable_init(sc);

	vxlan_sysctl_setup(sc);

	ifp->if_softc = sc;
	if_initname(ifp, vxlan_name, unit);
	ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
	ifp->if_init = vxlan_init;
	ifp->if_ioctl = vxlan_ioctl;
	ifp->if_transmit = vxlan_transmit;
	ifp->if_qflush = vxlan_qflush;
	ifp->if_capabilities = VXLAN_BASIC_IFCAPS;
	ifp->if_capenable = VXLAN_BASIC_IFCAPS;
	sc->vxl_reqcap = -1;
	vxlan_set_hwcaps(sc);

	ifmedia_init(&sc->vxl_media, 0, vxlan_media_change, vxlan_media_status);
	ifmedia_add(&sc->vxl_media, IFM_ETHER | IFM_AUTO, 0, NULL);
	ifmedia_set(&sc->vxl_media, IFM_ETHER | IFM_AUTO);

	ether_gen_addr(ifp, &sc->vxl_hwaddr);
	ether_ifattach(ifp, sc->vxl_hwaddr.octet);