netdev - Re: [PATCH net-next 1/1] ipvlan: Initial check-in of the IPVLAN driver.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 11 Nov 2014 16:37:56 -0800
From:	Cong Wang <cwang@...pensource.com>
To:	David Miller <davem@...emloft.net>
Cc:	Mahesh Bandewar <maheshb@...gle.com>,
	netdev <netdev@...r.kernel.org>,
	Eric Dumazet <edumazet@...gle.com>,
	Maciej Żenczykowski <maze@...gle.com>,
	Laurent Chavey <chavey@...gle.com>,
	Tim Hockin <thockin@...gle.com>,
	Brandon Philips <brandon.philips@...eos.com>,
	Pavel Emelyanov <xemul@...allels.com>
Subject: Re: [PATCH net-next 1/1] ipvlan: Initial check-in of the IPVLAN driver.

On Tue, Nov 11, 2014 at 3:19 PM, David Miller <davem@...emloft.net> wrote:
> From: Cong Wang <cwang@...pensource.com>
> Date: Tue, 11 Nov 2014 15:12:27 -0800
>
>> On Tue, Nov 11, 2014 at 2:29 PM, Mahesh Bandewar <maheshb@...gle.com> wrote:
>>> This driver is very similar to the macvlan driver except that it
>>> uses L3 on the frame to determine the logical interface while
>>> functioning as packet dispatcher. It inherits L2 of the master
>>> device hence the packets on wire will have the same L2 for all
>>> the packets originating from all virtual devices off of the same
>>> master device.
>>
>> Why do we need this from the beginning?
>> IOW, what problem does this solve while macvlan doesn't?
>
> macvlan has several built-in limitations, which IP VLAN absolutely
> does not have.
>
> Eric Dumazet spoke about this at the networking track at the kernel
> summit in Chicago, maybe he or another person working on this can
> chime in.

Either you need to publish it or document it in this changelog,
otherwise too much information is missing.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html