netdev - RE: [net-next 01/16] i40e: support VF link state ndo

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]

Message-ID: <AAEA33E297BCAC4B9BB20A7C2DF0AB8D65571229@FMSMSX113.amr.corp.intel.com>
Date:	Mon, 17 Mar 2014 21:40:17 +0000
From:	"Williams, Mitch A" <mitch.a.williams@...el.com>
To:	Or Gerlitz <or.gerlitz@...il.com>,
	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>
CC:	David Miller <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"gospo@...hat.com" <gospo@...hat.com>,
	"sassmann@...hat.com" <sassmann@...hat.com>,
	"Sullivan, Catherine" <catherine.sullivan@...el.com>
Subject: RE: [net-next 01/16] i40e: support VF link state ndo



> -----Original Message-----
> From: Or Gerlitz [mailto:or.gerlitz@...il.com]
> Sent: Monday, March 17, 2014 2:24 PM
> To: Kirsher, Jeffrey T
> Cc: David Miller; Williams, Mitch A; netdev@...r.kernel.org;
> gospo@...hat.com; sassmann@...hat.com; Sullivan, Catherine
> Subject: Re: [net-next 01/16] i40e: support VF link state ndo
> 
> On Mon, Mar 17, 2014 at 2:45 PM, Jeff Kirsher
> <jeffrey.t.kirsher@...el.com> wrote:
> > From: Mitch Williams <mitch.a.williams@...el.com>
> > This netdev op allows the PF driver to control the virtual link state of
> > the VF devices. This can be used to deny naughty VF drivers access to the
> wire,
> 
> Does this denial exists in the patch or the current code? where?
> 
> Or.

To clarify: you can manually deny link to a VF with this functionality. This would not automatically find and shut down misbehaving VFs. That functionality is planned but is not yet ready, and would operate on the hardware level.

-Mitch
--
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