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Message-ID: <ba6a1b18-959e-e307-45fa-e0da9d6f0b0f@6wind.com> Date: Thu, 30 Aug 2018 17:49:12 +0200 From: Nicolas Dichtel <nicolas.dichtel@...nd.com> To: Christian Brauner <christian.brauner@...onical.com>, Kirill Tkhai <ktkhai@...tuozzo.com> Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, davem@...emloft.net, kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org, pombredanne@...b.com, kstewart@...uxfoundation.org, gregkh@...uxfoundation.org, dsahern@...il.com, fw@...len.de, lucien.xin@...il.com, jakub.kicinski@...ronome.com, jbenc@...hat.com Subject: Re: [PATCH net-next 0/5] rtnetlink: add IFA_IF_NETNSID for RTM_GETADDR Le 30/08/2018 à 16:45, Christian Brauner a écrit : [snip] > Introducing the IFA_IF_NETNSID property will not make the netlink > interface less modular. It is a clean, RTM_*ADDR-request specific > property using network namespace identifiers which we discussed in prior > patches are the way to go forward. > > You can already get interfaces via GETLINK from another network > namespaces than the one you reside in (Which we enabled just a few > months back.) but you can't do the same for GETADDR. Those two are > almost always used together. When you want to get the links you usually > also want to get the addresses associated with it right after. > In a prior discussion we agreed that network namespace identifiers are > the way to go forward but that any other propery, i.e. PIDs and fds > should never be ported into other parts of the codebase and that is > indeed something I agree with. Yes, I agree with this and I think this series go to the right direction. Maybe I would choose a more generic name for the attribute, something that can be used in other netlink families (xfrm, netfilter, ...) also. What about IFA_TARGET_NSID?
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