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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: "Wiles, Keith" <keith.wiles@intel.com>
Cc: DPDK <dev@dpdk.org>, "Walker, Benjamin" <benjamin.walker@intel.com>
Subject: Re: [dpdk-dev] [RFC] Kernel Control Path (KCP)
Date: Tue, 20 Jun 2017 13:33:05 +0100	[thread overview]
Message-ID: <8e3c9de8-ffde-6501-436a-c1b2331634ec@intel.com> (raw)
In-Reply-To: <2a912709-969c-bd23-dbca-c495560f97d9@intel.com>

On 6/16/2017 4:54 PM, Ferruh Yigit wrote:
> On 5/28/2017 5:55 PM, Wiles, Keith wrote:
>>
>>> On May 26, 2017, at 11:52 AM, Ferruh Yigit <ferruh.yigit@intel.com> wrote:
>>>
>>> We are looking for re-sending [1] the Kernel Control Path (KCP)
>>> with some updates [2].
>>>
>>> Mainly this is an usability improvement for DPDK.
>>>
>>> And a quick reminder about what KCP is:
>>>
>>> "KCP is Linux virtual network interface that can control DPDK ports".
>>>
>>> So DPDK interfaces, somehow will be visible and it will be possible to
>>> use common Linux tools on DPDK interfaces.
>>>
>>> This work can be done in multiple steps:
>>>
>>> - At first step virtual interfaces can be read-only, and can be used
>>>  to get stats / information from DPDK ports.
>>>
>>> - Second step can be controlling the DPDK interfaces in a common way
>>>  like Linux interfaces.
>>>
>>> It is good to remind that KCP is only for control path, and no data
>>> traffic will be available on those interfaces, meaning not able to use
>>> tcpdump or similar tools on those interfaces.
>>>
>>> I would like to hear about comments, requirements and objection about
>>> the idea?
>>>
>>> Also the name "Kernel Control Path" can be too broad, I am open to a
>>> name change, any comments on naming is welcome.
>>
>> Using kernel in the name is not very useful, but netlink is the real part that makes sense.
>>
>> How about one of these:
>> - DNI = DPDK Netlink Interface
>> - DNC = DPDK Netlink Control
>> - NCI = Netlink Control Interface
>>
>> Being able to control DPDK interfaces via Netlink is one of the customer needs I have heard of late.
> 
> My concern is this name my create a miss understanding that DPDK is
> providing a netlink interface for other applications that they can use
> to control DPDK application / interfaces.
> 
> Here although netlink sockets used to communicate between kernel and
> userspace, DPDK application connects to the netlink socket provided by
> kernel module, and DPDK interfaces controlled using virtual Linux
> network interfaces, independent from what kind of communication method
> used between kernel and userspace.

what do you thinks about "Userspace Network Control Interface (UNCI)" ? [*]

I am for this one, if there is no objection.


[*]
Suggested by Tim O'Driscoll

> 
>>
>>>
>>>
>>> [1]
>>> http://dpdk.org/ml/archives/dev/2016-March/035139.html
>>>
>>> [2]
>>> Updates planned to the latest version sent:
>>> - Create control interfaces without requiring an API call from user
>>>  application, this will let DPDK applications have this support
>>>  without any modification.
>>> - Default enabled interfaces will be read-only.
>>> - Possible rename.
>>>
>>>
>>> Thanks,
>>> ferruh
>>>
>>>
>>> Ferruh Yigit (4):
>>>  ethtool: move from sample folder to lib folder
>>>  kcp: add kernel control path kernel module
>>>  rte_ctrl_if: add control interface library
>>>  ethdev: add control interface support
>>>
>>> -- 
>>> 2.9.3
>>>
>>
>> Regards,
>> Keith
>>
> 

  reply	other threads:[~2017-06-20 12:33 UTC|newest]

Thread overview: 91+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-26 16:52 Ferruh Yigit
2017-05-28 16:55 ` Wiles, Keith
2017-05-29  9:26   ` Bruce Richardson
2017-05-29 17:29     ` Wiles, Keith
2017-06-16 15:54   ` Ferruh Yigit
2017-06-20 12:33     ` Ferruh Yigit [this message]
2017-05-30 10:55 ` Thomas Monjalon
2017-06-13 17:21   ` Ferruh Yigit
2017-06-13 18:00     ` Jay Rolette
2017-06-13 18:04       ` Dumitrescu, Cristian
2017-06-13 18:18         ` Wiles, Keith
2017-06-15 12:07           ` Alex Rosenbaum
2017-06-16 15:27             ` Ferruh Yigit
2017-06-16 16:48               ` Stephen Hemminger
2017-06-13 18:17       ` Wiles, Keith
2017-06-21 11:06 ` [dpdk-dev] [PATCH v8 0/4] Userspace Network Control Interface (UNCI) Ferruh Yigit
2017-06-21 11:06   ` [dpdk-dev] [PATCH v8 1/4] ethtool: move from sample folder to lib folder Ferruh Yigit
2017-06-26 11:02     ` Bruce Richardson
2017-06-21 11:06   ` [dpdk-dev] [PATCH v8 2/4] unci: add kernel control path kernel module Ferruh Yigit
2017-06-21 15:23     ` Stephen Hemminger
2017-06-30 17:02       ` Ferruh Yigit
2017-06-21 11:06   ` [dpdk-dev] [PATCH v8 3/4] rte_ctrl_if: add control interface library Ferruh Yigit
2017-06-26 11:09     ` Bruce Richardson
2017-06-26 11:30     ` Bruce Richardson
2017-06-21 11:06   ` [dpdk-dev] [PATCH v8 4/4] ethdev: add control interface support Ferruh Yigit
2017-06-21 15:24     ` Stephen Hemminger
2017-06-30 17:06       ` Ferruh Yigit
2017-06-26 11:39   ` [dpdk-dev] [PATCH v8 0/4] Userspace Network Control Interface (UNCI) Bruce Richardson
2017-06-29 16:13     ` Ferruh Yigit
2017-06-30 16:56       ` Ferruh Yigit
2017-06-30 16:51   ` [dpdk-dev] [PATCH v9 00/20] " Ferruh Yigit
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 01/20] ethtool: add library skeleton Ferruh Yigit
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 02/20] ethtool: move from sample folder into lib folder Ferruh Yigit
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 03/20] ethtool: remove PMD specific API call Ferruh Yigit
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 04/20] ethtool: update header doxygen syntax Ferruh Yigit
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 05/20] ethtool: enable library Ferruh Yigit
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 06/20] doc: add ethtool library documentation Ferruh Yigit
2017-07-02 20:18       ` Mcnamara, John
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 07/20] doc: update ethtool sample app doc Ferruh Yigit
2017-07-02 20:17       ` Mcnamara, John
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 08/20] unci: add module skeleton Ferruh Yigit
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 09/20] unci: add rtnl newlink Ferruh Yigit
2017-06-30 17:27       ` Stephen Hemminger
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 10/20] unci: init netlink Ferruh Yigit
2017-06-30 17:28       ` Stephen Hemminger
2017-06-30 17:29       ` Stephen Hemminger
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 11/20] unci: add netlink exec Ferruh Yigit
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 12/20] unci: add netdevice ops Ferruh Yigit
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 13/20] unci: add ethtool support Ferruh Yigit
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 14/20] ctrl_if: add library skeleton Ferruh Yigit
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 15/20] ctrl_if: add create destroy interface APIs Ferruh Yigit
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 16/20] ctrl_if: initialize netlink interface Ferruh Yigit
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 17/20] ctrl_if: process control messages Ferruh Yigit
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 18/20] ctrl_if: process ethtool messages Ferruh Yigit
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 19/20] doc: add control interface library documentation Ferruh Yigit
2017-07-02 20:16       ` Mcnamara, John
2017-06-30 16:51     ` [dpdk-dev] [PATCH v9 20/20] ethdev: add control interface support Ferruh Yigit
2017-07-04 16:13     ` [dpdk-dev] [PATCH v10 00/20] Userspace Network Control Interface (UNCI) Ferruh Yigit
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 01/20] ethtool: add library skeleton Ferruh Yigit
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 02/20] ethtool: move from sample folder into lib folder Ferruh Yigit
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 03/20] ethtool: remove PMD specific API call Ferruh Yigit
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 04/20] ethtool: update header doxygen syntax Ferruh Yigit
2017-07-06  9:18         ` Burakov, Anatoly
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 05/20] ethtool: enable library Ferruh Yigit
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 06/20] doc: add ethtool library documentation Ferruh Yigit
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 07/20] doc: update ethtool sample app doc Ferruh Yigit
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 08/20] unci: add module skeleton Ferruh Yigit
2017-07-06  9:25         ` Burakov, Anatoly
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 09/20] unci: add rtnl newlink Ferruh Yigit
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 10/20] unci: init netlink Ferruh Yigit
2017-07-06  9:32         ` Burakov, Anatoly
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 11/20] unci: add netlink exec Ferruh Yigit
2017-07-05 19:07         ` Stephen Hemminger
2017-07-06 10:45           ` Ferruh Yigit
2017-07-07  0:25             ` Stephen Hemminger
2017-07-05 19:15         ` Stephen Hemminger
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 12/20] unci: add netdevice ops Ferruh Yigit
2017-07-05 19:12         ` Stephen Hemminger
2017-07-05 19:12         ` Stephen Hemminger
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 13/20] unci: add ethtool support Ferruh Yigit
2017-07-05 19:07         ` Stephen Hemminger
2017-07-05 19:08         ` Stephen Hemminger
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 14/20] ctrl_if: add library skeleton Ferruh Yigit
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 15/20] ctrl_if: add create destroy interface APIs Ferruh Yigit
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 16/20] ctrl_if: initialize generic netlink interface Ferruh Yigit
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 17/20] ctrl_if: process control messages Ferruh Yigit
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 18/20] ctrl_if: process ethtool messages Ferruh Yigit
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 19/20] doc: add control interface library documentation Ferruh Yigit
2017-07-04 16:13       ` [dpdk-dev] [PATCH v10 20/20] ethdev: add control interface support Ferruh Yigit
2017-07-08  6:28         ` Yuanhan Liu
2017-07-20 14:55           ` Ferruh Yigit

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