netdev - Re: [PATCH] net/rds/Kconfig: RDS should depend on IPV6

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Date:   Fri, 27 Jul 2018 15:11:44 +0200
From:   Anders Roxell <anders.roxell@...aro.org>
To:     eric.dumazet@...il.com
Cc:     David Miller <davem@...emloft.net>,
        Santosh Shilimkar <santosh.shilimkar@...cle.com>,
        ka-cheong.poon@...cle.com, Networking <netdev@...r.kernel.org>,
        linux-rdma@...r.kernel.org, rds-devel@....oracle.com,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] net/rds/Kconfig: RDS should depend on IPV6

On Fri, 27 Jul 2018 at 13:52, Eric Dumazet <eric.dumazet@...il.com> wrote:
>
>
>
> On 07/25/2018 03:20 PM, Anders Roxell wrote:
> > Build error, implicit declaration of function __inet6_ehashfn shows up
> > When RDS is enabled but not IPV6.
> > net/rds/connection.c: In function ‘rds_conn_bucket’:
> > net/rds/connection.c:67:9: error: implicit declaration of function ‘__inet6_ehashfn’; did you mean ‘__inet_ehashfn’? [-Werror=implicit-function-declaration]
> >   hash = __inet6_ehashfn(lhash, 0, fhash, 0, rds_hash_secret);
> >          ^~~~~~~~~~~~~~~
> >          __inet_ehashfn
> >
> > Current code adds IPV6 as a depends on in config RDS.
> >
> > Fixes: eee2fa6ab322 ("rds: Changing IP address internal representation to struct in6_addr")
> > Signed-off-by: Anders Roxell <anders.roxell@...aro.org>
> > ---
> >  net/rds/Kconfig | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/net/rds/Kconfig b/net/rds/Kconfig
> > index 41f75563b54b..607128f10bcd 100644
> > --- a/net/rds/Kconfig
> > +++ b/net/rds/Kconfig
> > @@ -1,7 +1,7 @@
> >
> >  config RDS
> >       tristate "The RDS Protocol"
> > -     depends on INET
> > +     depends on INET && CONFIG_IPV6
>
> You probably meant :
>
>         depends on INET && IPV6

Hmm... Yes, I'll send out a new patch to fix it.

I'm sorry.

Cheers,
Anders

>
>
> >       ---help---
> >         The RDS (Reliable Datagram Sockets) protocol provides reliable,
> >         sequenced delivery of datagrams over Infiniband or TCP.
> >