netdev - Re: [PATCH net-next] rtnetlink: Honour NLM_F_ECHO flag in rtnl

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Date:   Fri, 23 Sep 2022 10:43:53 +0200
From:   Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:     Guillaume Nault <gnault@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     Hangbin Liu <liuhangbin@...il.com>, netdev@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Ido Schimmel <idosch@...dia.com>,
        Petr Machata <petrm@...dia.com>,
        Florent Fourcot <florent.fourcot@...irst.fr>,
        Nikolay Aleksandrov <razor@...ckwall.org>
Subject: Re: [PATCH net-next] rtnetlink: Honour NLM_F_ECHO flag in rtnl_{new,
 set}link


Le 22/09/2022 à 16:51, Guillaume Nault a écrit :
> I just don't see any way to pass a handle back to user space at the
> moment. The echo mechanism did that and was generic to all netlink
> families (as long as nlmsg_notify() was called with the right
> parameters).
> 
+1