netdev - Re: [PATCH net-next 0/2] Support for the ip6ip6 encapsulation of IOAM

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Date:   Thu, 30 Sep 2021 14:32:53 +0200 (CEST)
From:   Justin Iurman <justin.iurman@...ege.be>
To:     David Ahern <dsahern@...il.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
        yoshfuji@...ux-ipv6.org, dsahern@...nel.org
Subject: Re: [PATCH net-next 0/2] Support for the ip6ip6 encapsulation of
 IOAM

>> With current iproute2 implementation, it is configured this way:
>> 
>> $ ip -6 r [...] encap ioam6 trace prealloc type 0x800000 ns 1 size 12 [...]
>> 
>> Now, an encap mode must be specified:
>> 
>> (inline mode)
>> $ [...] encap ioam6 mode inline trace prealloc [...]
> 
> I take this to mean you want to change the CLI for ioam6? If so, that
> does not happen once an iproute2 version has shipped with some previous
> command line; it needs to be backwards compatible.

Sure. The inline mode would be the default one when using the old syntax (i.e., without specifying a mode).