netdev - Re: [PATCH v2 net-next 2/4] ip_tunnels: record IP version in tunnel info

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Date:	Sat, 29 Aug 2015 10:43:45 +0200
From:	Jiri Benc <jbenc@...hat.com>
To:	Thomas Graf <tgraf@...g.ch>
Cc:	netdev@...r.kernel.org, Pravin Shelar <pshelar@...ira.com>
Subject: Re: [PATCH v2 net-next 2/4] ip_tunnels: record IP version in tunnel
 info

On Sat, 29 Aug 2015 00:24:11 +0200, Thomas Graf wrote:
> On 08/28/15 at 08:48pm, Jiri Benc wrote:
> > diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
> > index e2dc9dac59e6..40164037928e 100644
> > --- a/net/openvswitch/vport.c
> > +++ b/net/openvswitch/vport.c
> > @@ -587,6 +587,8 @@ int ovs_tunnel_get_egress_info(struct ip_tunnel_info *egress_tun_info,
> >  
> >  	if (unlikely(!tun_info))
> >  		return -EINVAL;
> > +	if (ip_tunnel_info_af(tun_info) != AF_INET)
> > +		return -EINVAL;
> >  
> >  	tun_key = &tun_info->key;
> 
> Are you sure this chunk is needed? It looks like OVS_CB()->egress_tun_info
> can only be set via execute_set_action() which can only be of a supported
> AF type.

It does no harm and I'm going to add IPv6 tunneling support to ovs
soon. This is a nice reminder that this function is IPv4 only and needs
to be extended.

> Otherwise this looks great.
> 
> Acked-by: Thomas Graf <tgraf@...g.ch>

Thanks!

 Jiri

-- 
Jiri Benc
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