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From: Jiri Pirko <jiri@resnulli.us>
To: "Samudrala, Sridhar" <sridhar.samudrala@intel.com>
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>,
	davem@davemloft.net, netdev@vger.kernel.org,
	oss-drivers@netronome.com
Subject: Re: [PATCH net-next v2 4/7] devlink: allow subports on devlink PCI ports
Date: Wed, 13 Mar 2019 17:24:40 +0100	[thread overview]
Message-ID: <20190313162440.GC2270@nanopsycho> (raw)
In-Reply-To: <c8da9702-513a-17c4-3653-440bc1b556e8@intel.com>

Wed, Mar 13, 2019 at 05:03:17PM CET, sridhar.samudrala@intel.com wrote:
>On 3/13/2019 12:37 AM, Jiri Pirko wrote:
>> Wed, Mar 13, 2019 at 07:17:04AM CET, sridhar.samudrala@intel.com wrote:
>> > 
>> > On 3/12/2019 7:02 AM, Jiri Pirko wrote:
>> > 
>> > > 
>> > > > 
>> > > > > I originally planned to implement sriov orchestration api in devlink too.
>> > > > 
>> > > > Interesting, would you mind elaborating?
>> > > 
>> > > I have to think about it. But something like this:
>> > > 
>> > > After bootup, you see only physical port, PF switch port and PF host leg.
>> > 
>> > Is this after changing the eswitch mode to 'switchdev'
>> 
>> I believe so. For new drivers, this should be default and only option.
>> 
>> 
>> > 
>> > > $ devlink port show
>> > > pci/0000:05:00.0/0: type eth netdev enp5s0np0 flavour physical switch_id 00154d130d2
>> > 
>> > Is this the uplink port representor?
>> 
>> Yes
>> 
>> 
>> > 
>> > > pci/0000:05:00.0/1: type eth netdev ??? flavour pci_pf_host
>> > >                       peer pci/0000:05:00.0/10000
>> > 
>> > I guess this is PF netdev
>> 
>> Yes, port
>> 
>> 
>> > 
>> > > pci/0000:05:00.0/10000: type eth netdev enp5s0npf0pf0s0 flavour pci_pf pf 0 subport 0
>> > >                       switch_id 00154d130d2f peer pci/0000:05:00.0/1
>> > 
>> > and this one is PF port representor netdev
>> 
>> Yes, port
>> 
>> 
>> > 
>> > > 
>> > > To create new PF subport under PF 0:
>> > > $ devlink dev port add pci/0000:05:00.0 flavour pci_pf pf 0
>> > 
>> > Can we consider l2-fwd offload macvlan device also as a subport of PF?
>> 
>> What does this have to with with macvlan? Macvlan is a separate soft
>> driver.
>
>ethtool -k <pf> l2-fwd-offload on
>ip link add link <pf> type macvlan
>
>will create a macvlan netdev but it is backed by a set of separate HW queues
>and switching is offloaded to HW. This can be considered as a subport. In
>i40e, it is a VMDq VSI.

Oh, this one. I think that is abuse of macvlan. We should do the
modelling correctly, including visibility of switch ports.

>
>
>
>

  reply	other threads:[~2019-03-13 16:35 UTC|newest]

Thread overview: 100+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-01 18:04 [PATCH net-next v2 0/7] devlink: expose PF and VF representors as ports Jakub Kicinski
2019-03-01 18:04 ` [PATCH net-next v2 1/7] nfp: split devlink port init from registration Jakub Kicinski
2019-03-01 18:04 ` [PATCH net-next v2 2/7] devlink: add PF and VF port flavours Jakub Kicinski
2019-03-01 18:04 ` [PATCH net-next v2 3/7] nfp: register devlink ports of all reprs Jakub Kicinski
2019-03-02  8:43   ` Jiri Pirko
2019-03-02 19:07     ` Jakub Kicinski
2019-03-04  7:36       ` Jiri Pirko
2019-03-04 23:32         ` Jakub Kicinski
2019-03-01 18:04 ` [PATCH net-next v2 4/7] devlink: allow subports on devlink PCI ports Jakub Kicinski
2019-03-02  9:41   ` Jiri Pirko
2019-03-02 19:48     ` Jakub Kicinski
2019-03-04  7:56       ` Jiri Pirko
2019-03-05  0:33         ` Jakub Kicinski
2019-03-05 11:06           ` Jiri Pirko
2019-03-05 17:15             ` Jakub Kicinski
2019-03-05 19:59               ` Parav Pandit
2019-03-06 12:20               ` Jiri Pirko
2019-03-06 17:56                 ` Jakub Kicinski
2019-03-07  3:56                   ` Parav Pandit
2019-03-07  9:48                   ` Jiri Pirko
2019-03-08  2:52                     ` Jakub Kicinski
2019-03-08 14:54                       ` Jiri Pirko
2019-03-08 19:09                         ` Jakub Kicinski
2019-03-11  8:52                           ` Jiri Pirko
2019-03-12  2:10                             ` Jakub Kicinski
2019-03-12 14:02                               ` Jiri Pirko
2019-03-12 20:56                                 ` Jakub Kicinski
2019-03-13  6:07                                   ` Jiri Pirko
2019-03-13 16:17                                     ` Jakub Kicinski
2019-03-13 16:22                                       ` Jiri Pirko
2019-03-13 16:55                                         ` Jakub Kicinski
2019-03-14  7:38                                           ` Jiri Pirko
2019-03-14 22:09                                             ` Jakub Kicinski
2019-03-14 22:35                                               ` Parav Pandit
2019-03-14 23:39                                                 ` Jakub Kicinski
2019-03-15  1:28                                                   ` Parav Pandit
2019-03-15  1:31                                                     ` Parav Pandit
2019-03-15  2:15                                                     ` Samudrala, Sridhar
2019-03-15  2:40                                                       ` Parav Pandit
     [not found]                                                         ` <ae938b4f-5fa9-3c33-8ae6-eab2d3d9f1ec@intel.com>
2019-03-15 15:32                                                           ` Parav Pandit
2019-03-15 20:08                                                             ` Jiri Pirko
2019-03-15 20:44                                                               ` Jakub Kicinski
2019-03-15 22:12                                                                 ` Parav Pandit
2019-03-16  1:16                                                                   ` Jakub Kicinski
2019-03-18 15:43                                                                     ` Parav Pandit
2019-03-18 19:29                                                                       ` Jakub Kicinski
2019-03-18 12:11                                                                 ` Jiri Pirko
2019-03-18 19:16                                                                   ` Jakub Kicinski
2019-03-21  8:45                                                                     ` Jiri Pirko
2019-03-21 15:14                                                                       ` Parav Pandit
2019-03-21 16:14                                                                         ` Jiri Pirko
2019-03-21 16:52                                                                           ` Parav Pandit
2019-03-21 17:20                                                                             ` Jiri Pirko
2019-03-21 17:34                                                                               ` Parav Pandit
2019-03-22 16:27                                                                                 ` Jiri Pirko
2019-03-23  0:37                                                                                   ` Parav Pandit
2019-03-15 21:59                                                               ` Parav Pandit
2019-03-18 12:21                                                                 ` Jiri Pirko
2019-03-18 15:56                                                                   ` Parav Pandit
2019-03-18 16:22                                                                     ` Parav Pandit
2019-03-18 19:36                                                                       ` Jakub Kicinski
2019-03-18 19:44                                                                         ` Parav Pandit
2019-03-18 19:59                                                                           ` Jakub Kicinski
2019-03-18 20:35                                                                             ` Parav Pandit
2019-03-18 21:29                                                                               ` Jakub Kicinski
2019-03-18 22:11                                                                                 ` Parav Pandit
2019-03-20 18:24                                                                                   ` Parav Pandit
2019-03-20 20:22                                                                                     ` Jakub Kicinski
2019-03-20 23:39                                                                                       ` Parav Pandit
2019-03-21  9:08                                                                                       ` Jiri Pirko
2019-03-21 15:03                                                                                         ` Parav Pandit
2019-03-21 16:16                                                                                           ` Jiri Pirko
2019-03-21 16:50                                                                                             ` Parav Pandit
2019-03-21 17:23                                                                                               ` Jiri Pirko
2019-03-21 17:42                                                                                                 ` Parav Pandit
2019-03-22 13:32                                                                                                   ` Jiri Pirko
2019-03-23  0:40                                                                                                     ` Parav Pandit
2019-03-25 20:34                                                                                                       ` Parav Pandit
2019-03-18 19:19                                                                   ` Jakub Kicinski
2019-03-18 19:38                                                                     ` Parav Pandit
2019-03-21  9:09                                                                     ` Jiri Pirko
2019-03-15  7:00                                               ` Jiri Pirko
     [not found]                                 ` <7227d58e-ac58-d549-b921-ca0a0dd3f4b0@intel.com>
2019-03-13  7:37                                   ` Jiri Pirko
2019-03-13 16:03                                     ` Samudrala, Sridhar
2019-03-13 16:24                                       ` Jiri Pirko [this message]
2019-03-04 11:19       ` Jiri Pirko
2019-03-05  0:40         ` Jakub Kicinski
2019-03-05 11:07           ` Jiri Pirko
2019-03-04 11:08   ` Jiri Pirko
2019-03-05  0:51     ` Jakub Kicinski
2019-03-05 11:09       ` Jiri Pirko
2019-03-01 18:04 ` [PATCH net-next v2 5/7] nfp: switch to devlink_port_get_phys_port_name() Jakub Kicinski
2019-03-01 18:04 ` [PATCH net-next v2 6/7] devlink: introduce port's peer netdevs Jakub Kicinski
2019-03-01 18:04 ` [PATCH net-next v2 7/7] nfp: expose PF " Jakub Kicinski
2019-03-02 10:13 ` [PATCH net-next v2 0/7] devlink: expose PF and VF representors as ports Jiri Pirko
2019-03-02 19:49   ` [oss-drivers] " Jakub Kicinski
2019-03-04  5:12   ` Parav Pandit
2019-03-04 18:22 ` David Miller
2019-03-20 20:25 ` Jakub Kicinski
2019-03-21  9:11   ` Jiri Pirko

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