From: Phil Sutter <phil@nwl.cc>
To: Hangbin Liu <liuhangbin@gmail.com>
Cc: netdev@vger.kernel.org,
Stephen Hemminger <stephen@networkplumber.org>,
David Ahern <dsahern@gmail.com>
Subject: Re: [PATCH iproute2-next] geneve: fix ttl inherit behavior
Date: Thu, 27 Sep 2018 11:08:36 +0200 [thread overview]
Message-ID: <20180927090835.GU14666@orbyte.nwl.cc> (raw)
In-Reply-To: <1538033257-32244-1-git-send-email-liuhangbin@gmail.com>
On Thu, Sep 27, 2018 at 03:27:37PM +0800, Hangbin Liu wrote:
> Currently when we add geneve with "ttl inherit", we set ttl to 0, which
> is actually use whatever default value instead of inherit the inner
> protocol's ttl value.
>
> To respect compatibility with old behavior and make a difference between
> ttl inherit and ttl == 0, we add an attribute IFLA_GENEVE_TTL_INHERIT in
> kernel commit 52d0d404d39dd ("geneve: add ttl inherit support").
>
> Now let's use "ttl inherit" to inherit the inner protocol's ttl, and use
> "ttl auto" to means "use whatever default value", the same behavior with
> ttl == 0.
>
> Reported-by: Jianlin Shi <jishi@redhat.com>
> Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Phil Sutter <phil@nwl.cc>
next prev parent reply other threads:[~2018-09-27 15:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-27 7:27 [PATCH iproute2-next] geneve: fix ttl inherit behavior Hangbin Liu
2018-09-27 9:08 ` Phil Sutter [this message]
2018-09-28 0:59 ` Hangbin Liu
2018-10-18 7:01 ` [PATCHv2 iproute2-next] ip/geneve: " Hangbin Liu
2018-10-21 15:55 ` David Ahern
2018-10-22 7:46 ` [PATCHv3 " Hangbin Liu
2018-10-23 17:54 ` David Ahern
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