Re: ipv6 on sparc / 6in4
On Fri, Aug 02, 2002 at 09:41:12PM +0200, Florian Lohoff wrote:
> On Fri, Aug 02, 2002 at 03:31:48PM -0400, Tom 'spot' Callaway wrote:
> > On Fri, 2002-08-02 at 15:29, Florian Lohoff wrote:
> > >
> > > Hi,
> > > i am trying to get a tunnel working on sparc to get 6bone
> > > connectivity - Done that on i386 a couple of times without
> > > any problem - On Sparc (2.4.18 vanilla) it gives me an ioctl error
> > > although the 6in4 tunnel driver is in the kernel:
> >
> > None of the tunneling works on sparc/sparc64. The ioctls are not
> > implemented at all. I looked into fixing this a while back and decided
> > it was low priority.
> >
> > This thread comes up a lot though, so maybe its a good side project for
> > someone to undertake.
>
> Why are those kind of ioctls in any way architecture specific ?!?
64bit kernel <-> 32bit userspace ioctl calls
The kernel has to translate these. See arch/sparc64/kernel/ioctl32.c
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