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

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Date:   Tue, 03 Oct 2023 12:41:25 +0200
From:   Paolo Abeni <pabeni@...hat.com>
To:     dust.li@...ux.alibaba.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 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.

Thanks,

Paolo