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

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Message-ID: <F6FB0E698C9B3143BDF729DF22286646912A1339@ORSMSX110.amr.corp.intel.com>
Date:	Wed, 11 Feb 2015 22:59:34 +0000
From:	"Skidmore, Donald C" <donald.c.skidmore@...el.com>
To:	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>,
	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>
CC:	Alexander Duyck <alexander.duyck@...il.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

> -----Original Message-----
> From: Hiroshi Shimamoto [mailto:h-shimamoto@...jp.nec.com]
> Sent: Monday, February 09, 2015 6:29 PM
> To: Kirsher, Jeffrey T
> Cc: Alexander Duyck; Skidmore, Donald C; Bjørn Mork; e1000-
> devel@...ts.sourceforge.net; netdev@...r.kernel.org; Choi, Sy Jong; linux-
> kernel@...r.kernel.org; David Laight; Hayato Momma
> Subject: RE: [E1000-devel] [PATCH 1/3] ixgbe, ixgbevf: Add new mbox API to
> enable MC promiscuous mode
> 
> > > > > 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.
> > > >
> > >
> > > I encountered an issue with your tree, the commit id is below.
> > >
> > > $ git log | head
> > > commit e6f1649780f8f5a87299bf6af04453f93d1e3d5e
> > > Author: Rasmus Villemoes <linux@...musvillemoes.dk>
> > > Date:   Fri Jan 23 20:43:14 2015 -0800
> > >
> > >     ethernet: fm10k: Actually drop 4 bits
> > >
> > >     The comment explains the intention, but vid has type u16. Before the
> > >     inner shift, it is promoted to int, which has plenty of space for all
> > >     vid's bits, so nothing is dropped. Use a simple mask instead.
> > >
> > >
> > > I use the kernel from your tree in both host and guest.
> > >
> > > Assign an IPv6 for VF in guest.
> > > # ip -6 addr add 2001:db8::18:1/64 dev ens0
> > >
> > > Send ping packet from other server to the VM.
> > > # ping6  2001:db8::18:1 -I eth0
> > >
> > > The following message was shown.
> > > ixgbevf 0000:00:08.0: partial checksum but l4 proto=3a!
> > >
> > > If I did the same operation in the host, I saw the same error message in
> host too.
> > > ixgbe 0000:2d:00.0: partial checksum but l4 proto=3a!
> > >
> > > Do you have any idea about that?
> >
> > Ah, sorry about that, try this tree again:
> > git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/queue.git
> >
> > That patch was dropped for favor of a patch that Matthew Vick put
> > together (and recently got pushed upstream).  So my queue no longer
> > has that patch in the queue, since it got dropped.
> 
> I still see the same error, the head id is the below
> 
> $ git log | head
> commit a072afb0b45904022b76deef3b770ee9a93cb13a
> Author: Nicholas Krause <xerofoify@...il.com>
> Date:   Mon Feb 9 00:27:00 2015 -0800
> 
>     igb: Remove outdated fix me comment in the
> function,gb_acquire_swfw_sync_i210
> 
> 
> thanks,
> Hiroshi

I'm having our validation see if they can recreate the same issue internally.  When they get back to me I'll let you know what we found.

Thanks,
-Don Skidmore <donald.c.skidmore@...el.com>