netdev - Re: 6lowpan netlink

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Message-ID: <20220616093422.2e9ec948@kernel.org>
Date:   Thu, 16 Jun 2022 09:34:22 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Alexander Aring <aahringo@...hat.com>
Cc:     Stefan Schmidt <stefan@...enfreihafen.org>,
        linux-wpan - ML <linux-wpan@...r.kernel.org>,
        linux-bluetooth@...r.kernel.org,
        Network Development <netdev@...r.kernel.org>
Subject: Re: 6lowpan netlink

On Thu, 16 Jun 2022 09:00:08 -0400 Alexander Aring wrote:
> > > I want to spread around that I started to work on some overdue
> > > implementation, a netlink 6lowpan configuration interface, because
> > > rtnetlink is not enough... it's for configuring very specific 6lowpan
> > > device settings.  
> >
> > Great, looking forward to it!  
> 
> I would like to trigger a discussion about rtnetlink or generic. I can
> put a nested rtnetlink for some device specific settings but then the
> whole iproute2 (as it's currently is) would maintain a specific
> 6lowpan setting which maybe the user never wants...
> I think we should follow this way when there is a strict ipv6 device
> specific setting e.g. l2 neighbor information in ipv6 ndisc.

Unless you'll have to repeat attributes which are already present 
in rtnetlink in an obvious way genetlink > rtnetlink.