> On 20 Aug 2014, at 9:54 am, David Gwynne <[email protected]> wrote:
>
> this lets you have networks on the "native" vlan on an interface
> at 1500, while setting a child vlan interfaces mtu to jumbos.
>
> ok?
how about now?
i believe both ix and oce unconditionally set their mru now, and it's the start
of the cycle.
ok?
>
> Index: if_vlan.c
> ===================================================================
> RCS file: /cvs/src/sys/net/if_vlan.c,v
> retrieving revision 1.108
> diff -u -p -r1.108 if_vlan.c
> --- if_vlan.c 12 Jul 2014 18:44:22 -0000 1.108
> +++ if_vlan.c 19 Aug 2014 23:52:15 -0000
> @@ -528,9 +528,9 @@ vlan_ioctl(struct ifnet *ifp, u_long cmd
> case SIOCSIFMTU:
> if (ifv->ifv_p != NULL) {
> if (ifv->ifv_p->if_capabilities & IFCAP_VLAN_MTU)
> - p_mtu = ifv->ifv_p->if_mtu;
> + p_mtu = ifv->ifv_p->if_hardmtu;
> else
> - p_mtu = ifv->ifv_p->if_mtu - EVL_ENCAPLEN;
> + p_mtu = ifv->ifv_p->if_hardmtu - EVL_ENCAPLEN;
>
> if (ifr->ifr_mtu > p_mtu || ifr->ifr_mtu < ETHERMIN)
> error = EINVAL;
