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

Leon Romanovsky
2023-09-28T09:51:29Z

On Wed, Sep 27, 2023 at 08:17:40PM +0800, Dust Li wrote:
> On Wed, Sep 27, 2023 at 08:55:28AM +0300, Leon Romanovsky wrote:
> >On Wed, Sep 27, 2023 at 11:42:09AM +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.
> >
> >BTW, does this patch take into account net namespace of ib_device?
>
> I think this patch is irrelevant with the netns of ib_device.
>
> SMC has a global smc_ib_devices list reported by ib_client, and checked
> the netns using rdma_dev_access_netns. So I think we should have handled
> that well.

ok, I see

Thanks,
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>