netdev - RE: [E1000-devel] [PATCH 1/3] ixgbe, ixgbevf: Add new mbox API to enable MC promiscuous mode

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Message-ID: <7F861DC0615E0C47A872E6F3C5FCDDBD05E21852@BPXM14GP.gisp.nec.co.jp>
Date:	Thu, 5 Feb 2015 06:10:34 +0000
From:	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
To:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
CC:	Alexander Duyck <alexander.duyck@...il.com>,
	"Skidmore, Donald C" <donald.c.skidmore@...el.com>,
	Bjørn Mork <bjorn@...k.no>,
	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"Choi, Sy Jong" <sy.jong.choi@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	David Laight <David.Laight@...LAB.COM>,
	Hayato Momma <h-momma@...jp.nec.com>
Subject: RE: [E1000-devel] [PATCH 1/3] ixgbe, ixgbevf: Add new mbox API to
 enable MC promiscuous mode

> Subject: Re: [E1000-devel] [PATCH 1/3] ixgbe, ixgbevf: Add new mbox API to enable MC promiscuous mode
> 
> On Fri, 2015-01-30 at 11:37 +0000, Hiroshi Shimamoto wrote:
> > From: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
> >
> > The limitation of the number of multicast address for VF is not enough
> > for the large scale server with SR-IOV feature.
> > IPv6 requires the multicast MAC address for each IP address to handle
> > the Neighbor Solicitation message.
> > We couldn't assign over 30 IPv6 addresses to a single VF interface.
> >
> > The easy way to solve this is enabling multicast promiscuous mode.
> > It is good to have a functionality to enable multicast promiscuous
> > mode
> > for each VF from VF driver.
> >
> > This patch introduces the new mbox API, IXGBE_VF_SET_MC_PROMISC, to
> > enable/disable multicast promiscuous mode in VF. If multicast
> > promiscuous
> > mode is enabled the VF can receive all multicast packets.
> >
> > With this patch, the ixgbevf driver automatically enable multicast
> > promiscuous mode when the number of multicast addresses is over than
> > 30
> > if possible.
> >
> > This also bump the API version up to 1.2 to check whether the API,
> > IXGBE_VF_SET_MC_PROMISC is available.
> >
> > Signed-off-by: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
> > Reviewed-by: Hayato Momma <h-momma@...jp.nec.com>
> > CC: Choi, Sy Jong <sy.jong.choi@...el.com>
> > ---
> >  drivers/net/ethernet/intel/ixgbe/ixgbe.h          |  1 +
> >  drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h      |  4 +
> >  drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c    | 89
> > ++++++++++++++++++++++-
> >  drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 13 +++-
> >  drivers/net/ethernet/intel/ixgbevf/mbx.h          |  4 +
> >  drivers/net/ethernet/intel/ixgbevf/vf.c           | 29 +++++++-
> >  drivers/net/ethernet/intel/ixgbevf/vf.h           |  1 +
> >  7 files changed, 137 insertions(+), 4 deletions(-)
> 
> Hiroshi, I tried to apply your patches to my queue but they do not apply
> cleanly and they are in a DOS file format, not UNIX.  I also noted
> several checkpatch.pl issues with your patches, so please fix those up
> as well.

I'm sorry to bother you.
Will fix.

> 
> Can you please fix up your patches based on my tree:
> git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/queue.git

Yes. I haven't noticed your tree.
Will resend patches against it.

thanks,
Hiroshi

> 
> This my queue of all community patches against the Intel LAN drivers and
> will be where I queue up your patches while they are under review and
> testing.