|
Lines 2725-2732
Link Here
|
| 2725 |
vxlan_clone_create(struct if_clone *ifc, int unit, caddr_t params) |
2725 |
vxlan_clone_create(struct if_clone *ifc, int unit, caddr_t params) |
| 2726 |
{ |
2726 |
{ |
| 2727 |
struct vxlan_softc *sc; |
2727 |
struct vxlan_softc *sc; |
| 2728 |
struct ifnet *ifp; |
2728 |
struct ifnet *ifp, *ifpp; |
| 2729 |
struct ifvxlanparam vxlp; |
2729 |
struct ifvxlanparam vxlp; |
|
|
2730 |
const short r4hdrs = 100; /* Reasonable standard offset for MTU from vxlandev iface */ |
| 2730 |
int error; |
2731 |
int error; |
| 2731 |
|
2732 |
|
| 2732 |
sc = malloc(sizeof(struct vxlan_softc), M_VXLAN, M_WAITOK | M_ZERO); |
2733 |
sc = malloc(sizeof(struct vxlan_softc), M_VXLAN, M_WAITOK | M_ZERO); |
|
Lines 2776-2781
Link Here
|
| 2776 |
|
2777 |
|
| 2777 |
ifp->if_baudrate = 0; |
2778 |
ifp->if_baudrate = 0; |
| 2778 |
ifp->if_hdrlen = 0; |
2779 |
ifp->if_hdrlen = 0; |
|
|
2780 |
|
| 2781 |
if (vxlp.vxlp_with & VXLAN_PARAM_WITH_MULTICAST_IF) { |
| 2782 |
ifpp = ifunit_ref(sc->vxl_mc_ifname); |
| 2783 |
if (ifpp == NULL) { |
| 2784 |
if_printf(sc->vxl_ifp, "multicast interface %s does " |
| 2785 |
"not exist\n", sc->vxl_mc_ifname); |
| 2786 |
goto fail; |
| 2787 |
} |
| 2788 |
if (ifpp->if_mtu <= r4hdrs) { |
| 2789 |
if_printf(sc->vxl_ifp, "multicast interface %s does " |
| 2790 |
"not have sufficient MTU\n", sc->vxl_mc_ifname); |
| 2791 |
goto fail; |
| 2792 |
} |
| 2793 |
|
| 2794 |
ifp->if_mtu = ifpp->if_mtu - r4hdrs; |
| 2795 |
} |
| 2779 |
|
2796 |
|
| 2780 |
return (0); |
2797 |
return (0); |
| 2781 |
|
2798 |
|