linux-kernel - Re: [PATCH v3 0/6] Add namespace awareness to Netlink methods

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Message-ID: <CAF2d9jjteagJGmt64mNFH-pFmGg_eM8_NNBrDtROcaVKhcNkRQ@mail.gmail.com>
Date:   Thu, 7 Nov 2019 12:40:04 -0800
From:   Mahesh Bandewar (महेश बंडेवार) 
        <maheshb@...gle.com>
To:     Jonas Bonn <jonas@...rbonn.se>
Cc:     nicolas.dichtel@...nd.com, linux-netdev <netdev@...r.kernel.org>,
        linux-kernel@...r.kernel.org, David Miller <davem@...emloft.net>
Subject: Re: [PATCH v3 0/6] Add namespace awareness to Netlink methods

On Thu, Nov 7, 2019 at 5:30 AM Jonas Bonn <jonas@...rbonn.se> wrote:
>
> Changed in v3:
> - added patch 6 for setting IPv6 address outside current namespace
> - address checkpatch warnings
> - address comment from Nicolas
>
> Changed in v2:
> - address comment from Nicolas
> - add accumulated ACK's
>
> Currently, Netlink has partial support for acting outside of the current
> namespace.  It appears that the intention was to extend this to all the
> methods eventually, but it hasn't been done to date.
>
> With this series RTM_SETLINK, RTM_NEWLINK, RTM_NEWADDR, and RTM_NEWNSID
> are extended to respect the selection of the namespace to work in.
>
This is nice, is there a plan to update userspace commands using this?

> /Jonas
>
> Jonas Bonn (6):
>   rtnetlink: allow RTM_SETLINK to reference other namespaces
>   rtnetlink: skip namespace change if already effect
>   rtnetlink: allow RTM_NEWLINK to act upon interfaces in arbitrary
>     namespaces
>   net: ipv4: allow setting address on interface outside current
>     namespace
>   net: namespace: allow setting NSIDs outside current namespace
>   net: ipv6: allow setting address on interface outside current
>     namespace
>
>  net/core/net_namespace.c | 19 ++++++++++
>  net/core/rtnetlink.c     | 80 ++++++++++++++++++++++++++++++++++------
>  net/ipv4/devinet.c       | 61 ++++++++++++++++++++++--------
>  net/ipv6/addrconf.c      | 13 +++++++
>  4 files changed, 145 insertions(+), 28 deletions(-)
>
> --
> 2.20.1
>