netdev - Re: [PATCH net] ip6_gre: fix flowi6_proto value in ip6gre_xmit

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Date:   Fri, 23 Sep 2016 15:52:24 -0400 (EDT)
From:   Lance Richardson <lrichard@...hat.com>
To:     Shmulik Ladkani <shmulik.ladkani@...il.com>
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net] ip6_gre: fix flowi6_proto value in
 ip6gre_xmit_other()

> From: "Shmulik Ladkani" <shmulik.ladkani@...il.com>
> To: "Lance Richardson" <lrichard@...hat.com>
> Cc: netdev@...r.kernel.org
> Sent: Friday, September 23, 2016 3:00:36 PM
> Subject: Re: [PATCH net] ip6_gre: fix flowi6_proto value in ip6gre_xmit_other()
> 
> On Fri, 23 Sep 2016 12:54:59 -0400 Lance Richardson <lrichard@...hat.com>
> wrote:
> > Similar to commit 3be07244b733 ("ip6_gre: fix flowi6_proto value in
> > xmit path"), set flowi6_proto to IPPROTO_GRE for output route lookup.
> 
> Suggesting to add:
> 
> Up until now, 'ip6gre_xmit_other' has set flowi6_proto to a bogus value.
> This affects output route lookup upon xmit of non ipv4/ipv6 packets on a
> ip6gretap device, in cases where routing depends on flowi6_proto.
> 

Added in v2, taking some editorial license (please let me know if I mangled it
too badly).

Thanks,

   Lance

> > Since the correct proto is already set in the tunnel flowi6 template via
> > commit 252f3f5a1189 ("ip6_gre: Set flowi6_proto as IPPROTO_GRE in xmit
> > path."), simply delete the line setting the incorrect flowi6_proto value.
> > 
> > Suggested-by: Jiri Benc <jbenc@...hat.com>
> > Fixes: commit c12b395a4664 ("gre: Support GRE over IPv6")
> > Signed-off-by: Lance Richardson <lrichard@...hat.com>
> 
> Reviewed-by: Shmulik Ladkani <shmulik.ladkani@...il.com>
>