netdev - Re: [PATCH net] net: netlink: filter particular protocols from analyzers

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Date:	Thu, 05 Sep 2013 21:59:28 +0200
From:	Daniel Borkmann <dborkman@...hat.com>
To:	David Miller <davem@...emloft.net>
CC:	netdev@...r.kernel.org, stephen@...workplumber.org
Subject: Re: [PATCH net] net: netlink: filter particular protocols from analyzers

On 09/05/2013 09:54 PM, David Miller wrote:
> From: Daniel Borkmann <dborkman@...hat.com>
> Date: Thu, 05 Sep 2013 21:48:00 +0200
>
>> With socket(PF_PACKET, ..., htons(ETH_P_ALL)) you will already get
>> all users from the suggested white-list of the patch, which is the
>> majority of netlink users I believe. Hence, you do not need to have
>> one socket per protocol. skbs from there should get dragged into
>> pf_packet via dev_queue_xmit_nit() which works on ptype_all list.
>
> What about user level netlink protocols?

If you are referring to NETLINK_USERSOCK, then we let this pass here,
so nothing changes.
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