netdev - Re: [PATCH net-next] net/smc: add support for netdevice in containers.

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Message-ID: <20231003132643.GG92403@linux.alibaba.com>
Date: Tue, 3 Oct 2023 21:26:43 +0800
From: Dust Li <dust.li@...ux.alibaba.com>
To: Paolo Abeni <pabeni@...hat.com>,
	Albert Huang <huangjie.albert@...edance.com>,
	Karsten Graul <kgraul@...ux.ibm.com>,
	Wenjia Zhang <wenjia@...ux.ibm.com>,
	Jan Karcher <jaka@...ux.ibm.com>
Cc: "D. Wythe" <alibuda@...ux.alibaba.com>,
	Tony Lu <tonylu@...ux.alibaba.com>,
	Wen Gu <guwen@...ux.alibaba.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, linux-s390@...r.kernel.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] net/smc: add support for netdevice in
 containers.

On Tue, Oct 03, 2023 at 12:41:25PM +0200, Paolo Abeni wrote:
>On Wed, 2023-09-27 at 11:42 +0800, Dust Li wrote:
>> On Mon, Sep 25, 2023 at 10:35:45AM +0800, Albert Huang wrote:
>> > If the netdevice is within a container and communicates externally
>> > through network technologies like VXLAN, we won't be able to find
>> > routing information in the init_net namespace. To address this issue,
>> 
>> Thanks for your founding !
>> 
>> I think this is a more generic problem, but not just related to VXLAN ?
>> If we use SMC-R v2 and the netdevice is in a net namespace which is not
>> init_net, we should always fail, right ? If so, I'd prefer this to be a bugfix.
>
>Re-stating the above to be on the same page: the patch should be re-
>posted targeting the net tree, and including a suitable fixes tag.
>
>@Dust Li: please correct me if I misread you.

Right, this is exactly what I mean.

Best regards,
Dust

>
>Thanks,
>
>Paolo