On Mon, Nov 26, 2018 at 06:39:28PM +0900, Taehee Yoo wrote:
> Hi Pablo,
>
> According to Masahiro Yamada, this is Kconfig bug and he is fixing Kconfig.
> https://lkml.org/lkml/2018/11/26/291
>
> So that I think this patch will be useless.
> Could you check it up?
OK, will keep back your patch by now, if this fix for Kbuild is still
not fixing up the problem, then robots will spot this again.
Thanks!
> On Sun, 18 Nov 2018 at 23:39, Taehee Yoo <ap420...@gmail.com> wrote:
> >
> > xt_TEE.c needs nf_dup_ipv6.c to support ipv6 packet duplication.
> > So that if xt_TEE is enabled, nf_dup_ipv6 will be automatically selected.
> > But there is build failure scenario.
> >
> > test config:
> > CONFIG_NETFILTER_XT_TARGET_TEE=y
> > CONFIG_NF_DUP_IPV6=m
> >
> > compile result:
> > net/netfilter/xt_TEE.o: In function `tee_tg6':
> > net/netfilter/xt_TEE.c:57: undefined reference to `nf_dup_ipv6'
> >
> > This patch forces to avoid above config.
> >
> > Fixes: 5d400a4933e8 ("netfilter: Kconfig: Change select IPv6 dependencies")
> > Reported-by: Randy Dunlap <rdun...@infradead.org>
> > Reported-by: Reported-by: Stephen Rothwell <s...@canb.auug.org.au>
> > Signed-off-by: Taehee Yoo <ap420...@gmail.com>
> > ---
> > net/netfilter/Kconfig | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
> > index 2ab870ef233a..a0c2712290ea 100644
> > --- a/net/netfilter/Kconfig
> > +++ b/net/netfilter/Kconfig
> > @@ -1011,7 +1011,7 @@ config NETFILTER_XT_TARGET_TEE
> > depends on IPV6 || IPV6=n
> > depends on !NF_CONNTRACK || NF_CONNTRACK
> > select NF_DUP_IPV4
> > - select NF_DUP_IPV6 if IP6_NF_IPTABLES
> > + select NF_DUP_IPV6 if IP6_NF_IPTABLES != n
> > ---help---
> > This option adds a "TEE" target with which a packet can be cloned
> > and
> > this clone be rerouted to another nexthop.
> > --
> > 2.17.1
> >
