On 2020/02/18 13:40, Gerhard Roth wrote: > > > Yes, I tried MBIM_CONTEXT_IPTYPE_IPV4ANDV6 myself first but to no > > > avail. The switched to MBIM_CONTEXT_IPTYPE_IPV4V6 and everything > > > was fine. > > > > Obviously it needs to switch based on INET6, but with the current > > mechanism used for handling v6 in OpenBSD, shouldn't it disable v6 > > unless the interface has a link-local configured? (So the usual method > > to enable v6 and bring an interface up would be "inet6 eui64" and "up"). > > That is how pppoe works. > > > Hi Stuart, > > you mean like that?
Yes, that looks right - sorry I don't have a working umb to test though! > Index: sys/dev/usb/if_umb.c > =================================================================== > RCS file: /cvs/src/sys/dev/usb/if_umb.c,v > retrieving revision 1.32 > diff -u -p -u -p -r1.32 if_umb.c > --- sys/dev/usb/if_umb.c 18 Feb 2020 08:09:37 -0000 1.32 > +++ sys/dev/usb/if_umb.c 18 Feb 2020 12:35:45 -0000 > @@ -2583,7 +2583,8 @@ umb_send_connect(struct umb_softc *sc, i > c->iptype = htole32(MBIM_CONTEXT_IPTYPE_IPV4); > #ifdef INET6 > /* XXX FIXME: support IPv6-only mode, too */ > - if ((sc->sc_flags & UMBFLG_NO_INET6) == 0) > + if ((sc->sc_flags & UMBFLG_NO_INET6) == 0 && > + in6ifa_ifpforlinklocal(GET_IFP(sc), 0) != NULL) > c->iptype = htole32(MBIM_CONTEXT_IPTYPE_IPV4V6); > #endif > memcpy(c->context, umb_uuid_context_internet, sizeof (c->context));
