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From: Arnd Bergmann <arnd@arndb•de>
To: Scott Feldman <scofeldm@cisco•com>
Cc: davem@davemloft•net, netdev@vger•kernel.org, chrisw@redhat•com,
	Jens Osterkamp <Jens.Osterkamp@gmx•de>
Subject: Re: [net-next-2.6 PATCH 2/2] add ndo_set_port_profile op support for enic dynamic vnics
Date: Sat, 1 May 2010 14:36:49 +0200	[thread overview]
Message-ID: <201005011436.49879.arnd@arndb.de> (raw)
In-Reply-To: <C8008CCC.2D21E%scofeldm@cisco.com>

On Friday 30 April 2010, Scott Feldman wrote:
> >    ip iov set  port-profile DEVICE [ base BASE-DEVICE ] name PORT-PROFILE
> >                              [ host_uuid HOST_UUID ]
> >                      [ client_name CLIENT_NAME ]
> >                                       [ client_uuid CLIENT_UUID ]
> >    ip iov set  vsi { associate | pre-associate | pre-associate-rr }
> > BASE-DEVICE
> >                                       vsi MGR:VTID:VER
> >                                       mac LLADDR [ vlan VID ]
> >                                       client_uuid CLIENT_UUID
> > 
> >    ip iov del  port_profile DEVICE      [ base BASE-DEVICE ]
> >    ip iov del  vsi          BASE-DEVICE [ mac LLADDR [ vlan VID ] ]
> >        [ client_uuid CLIENT_UUID ]
> > 
> >    ip iov show port_profile DEVICE      [ base BASE-DEVICE ]
> >    ip iov show vsi          BASE-DEVICE [ mac LLADDR [ vlan VID ] ]
> > [ client_uuid CLIENT_UUID ]
> > 
> > You would obvioulsy only implement the kernel support for the port-profile
> > stuff as callbacks, because no driver yet does VDP in the kernel, but we
> > should
> > have a common netlink header that defines both variants.
> > 
> > Chris, any opinion on this interface as opposed to the combined one?
> > Either one should work, but splitting it seems cleaner to me.
> 
> I haven't seen Chris's response, but it seems vger was down for awhile, so
> maybe it's coming.  Assuming we go for the split design, we're still talking
> about using RTM_SETLINK/RTM_GETLINK/RTM_DELLINK for these netlink msgs?  Or
> are you suggesting by your cmd syntax that we return to
> RTM_SETIOV/RTM_GETIOV like in the first iovnl patch?  RTM_SET/GET/DELLINK is
> probably simplier, cleaner patch.

In either case (split or combined), I would prefer the separate IOV
commands. The reason for this is that when support is not in the kernel,
it allows a cleaner separation between what's (always) handled in the
kernel and what's (potentially) done in user space.

	Arnd

  reply	other threads:[~2010-05-01 12:37 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-28  4:42 [net-next-2.6 PATCH 1/2] Add netdev port-profile support (take III, was iovnl) Scott Feldman
2010-04-28  4:42 ` [net-next-2.6 PATCH 2/2] add ndo_set_port_profile op support for enic dynamic vnics Scott Feldman
2010-04-28 13:32   ` Arnd Bergmann
2010-04-28 18:39     ` Scott Feldman
2010-04-28 19:16       ` Arnd Bergmann
2010-04-28 22:38         ` Scott Feldman
2010-04-29 12:27           ` Arnd Bergmann
2010-04-29 14:32             ` Scott Feldman
2010-04-29 15:48               ` Arnd Bergmann
2010-04-29 16:31                 ` Scott Feldman
2010-04-30 20:34                 ` Scott Feldman
2010-05-01 12:36                   ` Arnd Bergmann [this message]
2010-05-03  4:29                 ` Vivek Kashyap
2010-05-03 11:32                   ` Arnd Bergmann
2010-05-03 16:18                     ` Vivek Kashyap
2010-04-28 13:13 ` [net-next-2.6 PATCH 1/2] Add netdev port-profile support (take III, was iovnl) Arnd Bergmann
2010-04-28 17:51   ` Scott Feldman
2010-04-28 19:33     ` Arnd Bergmann
2010-04-28 18:54   ` Scott Feldman
2010-04-28 19:37     ` Arnd Bergmann

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