netdev - Re: [PATCH net-next] vxlan: add ttl inherit support

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Date:   Wed, 04 Apr 2018 12:03:39 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     liuhangbin@...il.com
Cc:     netdev@...r.kernel.org, jbenc@...hat.com, lucien.xin@...il.com
Subject: Re: [PATCH net-next] vxlan: add ttl inherit support

From: Hangbin Liu <liuhangbin@...il.com>
Date: Wed,  4 Apr 2018 21:26:21 +0800

> Like tos inherit, ttl inherit should also means inherit the inner protocol's
> ttl values, which actually not implemented in vxlan yet.
> 
> But we could not treat ttl == 0 as "use the inner TTL", because that would be
> used also when the "ttl" option is not specified and that would be a behavior
> change, and breaking real use cases.
> 
> So add a different attribute IFLA_VXLAN_TTL_INHERIT when "ttl inherit" is
> specified with ip cmd.
> 
> Reported-by: Jianlin Shi <jishi@...hat.com>
> Suggested-by: Jiri Benc <jbenc@...hat.com>
> Signed-off-by: Hangbin Liu <liuhangbin@...il.com>

The net-next tree is closed, please resubmit this when the net-next tree opens
back up.

Thank you.