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Message-ID: <c5a71b96-30aa-4543-2d8e-196a37693254@kernel.org>
Date: Thu, 14 Sep 2023 21:08:18 -0600
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Subject: Re: [PATCH net-next] ipv6: do not merge differe type and protocol
 routes
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To: Hangbin Liu <liuhangbin@gmail.com>,
 Nicolas Dichtel <nicolas.dichtel@6wind.com>
Cc: netdev@vger.kernel.org, "David S . Miller" <davem@davemloft.net>,
 Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>,
 Paolo Abeni <pabeni@redhat.com>, Ido Schimmel <idosch@idosch.org>,
 Thomas Haller <thaller@redhat.com>
References: <20230830061550.2319741-1-liuhangbin@gmail.com>
 <eeb19959-26f4-e8c1-abde-726dbb2b828d@6wind.com>
 <01baf374-97c0-2a6f-db85-078488795bf9@kernel.org>
 <db56de33-2112-5a4c-af94-6c8d26a8bfc1@6wind.com> <ZPBn9RQUL5mS/bBx@Laptop-X1>
 <62bcd732-31ed-e358-e8dd-1df237d735ef@6wind.com>
 <2546e031-f189-e1b1-bc50-bc7776045719@kernel.org>
 <bf3bb290-25b7-e327-851a-d6a036daab03@6wind.com> <ZQPAL84/w323CgNT@Laptop-X1>
From: David Ahern <dsahern@kernel.org>
In-Reply-To: <ZQPAL84/w323CgNT@Laptop-X1>
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On 9/14/23 8:23 PM, Hangbin Liu wrote:
> On Fri, Sep 01, 2023 at 11:36:51AM +0200, Nicolas Dichtel wrote:
>>> I do agree now that protocol is informative (passthrough from the kernel
>>> perspective) so not really part of the route. That should be dropped
> 
> I'm not sure. Is there any user space route daemon will use this info? e.g. some
> BGP route daemon?

It is passthrough information for userspace to track who installed the
route. It is not part of the route itself, but metadata passed in and
returned.