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From: Marc <marcdevel@gmail.com>
To: "Nélio Laranjeiro" <nelio.laranjeiro@6wind.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v9 0/4] ethdev: add speed capabilities and refactor link API
Date: Wed, 9 Mar 2016 21:57:26 +0100	[thread overview]
Message-ID: <CAExC=0TYyGu+_r+n1j7noHjZQ_Jz2FnVK_Ht8BxRV8Msv9PYxw@mail.gmail.com> (raw)
In-Reply-To: <20160309100907.GO27714@autoinstall.dev.6wind.com>

On 9 March 2016 at 11:09, Nélio Laranjeiro <nelio.laranjeiro@6wind.com>
wrote:

> On Wed, Mar 09, 2016 at 10:29:38AM +0100, Nélio Laranjeiro wrote:
> > On Tue, Mar 08, 2016 at 05:53:05PM +0100, Nélio Laranjeiro wrote:
> > > On Tue, Mar 08, 2016 at 04:00:29PM +0100, Marc Sune wrote:
> > > > 2016-03-01 1:45 GMT+01:00 Marc Sune <marcdevel@gmail.com>:
> > > >
> > > > > The current rte_eth_dev_info abstraction does not provide any
> mechanism to
> > > > > get the supported speed(s) of an ethdev.
> > > > >
> > > > > For some drivers (e.g. ixgbe), an educated guess could be done
> based on the
> > > > > driver's name (driver_name in rte_eth_dev_info), see:
> > > > >
> > > > > http://dpdk.org/ml/archives/dev/2013-August/000412.html
> > > > >
> > > > > However, i) doing string comparisons is annoying, and can silently
> > > > > break existing applications if PMDs change their names ii) it does
> not
> > > > > provide all the supported capabilities of the ethdev iii) for some
> drivers
> > > > > it
> > > > > is impossible determine correctly the (max) speed by the
> application
> > > > > (e.g. in i40, distinguish between XL710 and X710).
> > > > >
> > > > > In addition, the link APIs do not allow to define a set of
> advertised link
> > > > > speeds for autonegociation.
> > > > >
> > > > > This series of patches adds the following capabilities:
> > > > >
> > > > > * speed_capa bitmap in rte_eth_dev_info, which is filled by the
> PMDs
> > > > >   according to the physical device capabilities.
> > > > > * refactors link API in ethdev to allow the definition of the
> advertised
> > > > >   link speeds, fix speed (no auto-negociation) or advertise all
> supported
> > > > >   speeds (default).
> > > > >
> > > > > WARNING: this patch series, specifically 3/4, is NOT tested for
> most of the
> > > > > PMDs, due to the lack of hardware. Only generic EM is tested (VM).
> > > > > Reviewing
> > > > > and testing required by PMD maintainers.
> > > > >
> > > > > * * * * *
> > > > >
> > > > > v2: rebase, converted speed_capa into 32 bits bitmap, fixed
> alignment
> > > > >     (checkpatch).
> > > > >
> > > > > v3: rebase to v2.1. unified ETH_LINK_SPEED and ETH_SPEED_CAP into
> > > > > ETH_SPEED.
> > > > >     Converted field speed in struct rte_eth_conf to speed, to
> allow a
> > > > > bitmap
> > > > >     for defining the announced speeds, as suggested M. Brorup.
> Fixed
> > > > > spelling
> > > > >     issues.
> > > > >
> > > > > v4: fixed errata in the documentation of field speeds of
> rte_eth_conf, and
> > > > >     commit 1/2 message. rebased to v2.1.0. v3 was incorrectly
> based on
> > > > >     ~2.1.0-rc1.
> > > > >
> > > > > v5: revert to v2 speed capabilities patch. Fixed MLX4 speed
> capabilities
> > > > >     (thanks N. Laranjeiro). Refactored link speed API to allow
> setting
> > > > >     advertised speeds (3/4). Added NO_AUTONEG option to
> explicitely disable
> > > > >     auto-negociation. Updated 2.2 rel. notes (4/4). Rebased to
> current
> > > > > HEAD.
> > > > >
> > > > > v6: Move link_duplex to be part of bitfield. Fixed i40 autoneg
> flag link
> > > > >     update code. Added rte_eth_speed_to_bm_flag() to .map file.
> Fixed other
> > > > >     spelling issues. Rebased to current HEAD.
> > > > >
> > > > > v7: Rebased to current HEAD. Moved documentation to v2.3. Still
> needs
> > > > > testing
> > > > >     from PMD maintainers.
> > > > >
> > > > > v8: Rebased to current HEAD. Modified em driver impl. to not touch
> base
> > > > > files.
> > > > >     Merged patch 5 into 3 (map file). Changed numeric speed to a
> 64 bit
> > > > > value.
> > > > >     Filled-in speed capabilities for drivers bnx2x, cxgbe, mlx5
> and nfp in
> > > > >     addition to the ones of previous patch sets.
> > > > >
> > > > > v9: rebased to current HEAD. Reverted numeric speed to 32 bit in
> struct
> > > > >     rte_eth_link (no atomic link get > 64bit). Fixed mlx5 driver
> > > > > compilation
> > > > >     and link speeds. Moved documentation to release_16_04.rst and
> fixed
> > > > > several
> > > > >     issues. Upgrade NIC notes with speed capabilities.
> > > > >
> > > >
> > > > Anyone interested in reviewing and _testing_ this series?
> > > >
> > > > Thank you
> > > > Marc
> > >
> > > Hi Marc,
> > >
> > > I will take a look tomorrow morning and run test on Mellanox NICs
> > > (ConnectX 3 and 4).
> > >
> > > I do not have access to the others NICs, if those who have can do
> > > it, could be really great.
> > >
> > > Regards,
> >
> > It works as expected with Mellanox NICs.
> >
> > Regards,
> >
> > --
> > Nélio Laranjeiro
> > 6WIND
>
> Tested-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
>
> - OS/Kernel: Debian 8/3.16.0-4-amd64
> - GCC: gcc (Debian 4.9.2-10) 4.9.2
> - CPU: Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz
> - MLNX OFED: 3.2-2.0.0.0
> - NIC: ConnectX 4 100G
>
> - OS/Kernel: Debian 7/3.16.0-0.bpo.4-amd64
> - GCC: gcc (Debian 4.7.2-5) 4.7.2
> - CPU: Intel(R) Xeon(R) CPU E5-2648L 0 @ 1.80GHz
> - MLNX OFED: 3.2-2.0.0.0
> - NIC: ConnectX 3 Pro
>
>
> 1. Link displayed at the correct negotiated speed:
>    - 40Gbps for ConnectX3 Pro
>    - 100Gbps for ConnectX4 100G
>    - 40Gbps for ConnectX4 100G on a 40G link.
>
> 2. Configuring speed:
>    - Not supported yet for Mellanox as expected.
>

Thanks Neilo,

It would be good that at least i40 and e1000/ixgbe is tested and acked,
specially for the speed config part. Some more reviews would also help.

Marc




>
> --
> Nélio Laranjeiro
> 6WIND
>

  reply	other threads:[~2016-03-09 20:57 UTC|newest]

Thread overview: 166+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1443993003-1059-1-git-send-email-marcdevel@gmail.com>
2015-10-25 21:59 ` [dpdk-dev] [PATCH v6 0/5] " Marc Sune
2015-10-25 21:59   ` [dpdk-dev] [PATCH v6 1/5] ethdev: Added ETH_SPEED_CAP bitmap for ports Marc Sune
2015-11-01 22:11     ` Thomas Monjalon
2015-11-18 23:08       ` Marc Sune
2015-10-25 21:59   ` [dpdk-dev] [PATCH v6 2/5] ethdev: Fill speed capability bitmaps in the PMDs Marc Sune
2015-10-25 21:59   ` [dpdk-dev] [PATCH v6 3/5] ethdev: redesign link speed config API Marc Sune
2015-10-25 22:03     ` Marc Sune
2015-11-01 22:16     ` Thomas Monjalon
2015-11-18 22:59       ` Marc Sune
2015-10-25 21:59   ` [dpdk-dev] [PATCH v6 4/5] doc: update with link changes Marc Sune
2015-10-25 22:00   ` [dpdk-dev] [PATCH v6 5/5] ethdev: add rte_eth_speed_to_bm_flag() to ver. map Marc Sune
2015-12-16 20:37   ` [dpdk-dev] [PATCH v6 0/5] ethdev: add speed capabilities and refactor link API Marc Sune
2015-12-16 20:44     ` Olga Shern
2016-01-29  0:42   ` [dpdk-dev] [PATCH v7 " Marc Sune
2016-01-29  0:42     ` [dpdk-dev] [PATCH v7 1/5] ethdev: Added ETH_SPEED_CAP bitmap for ports Marc Sune
2016-01-29  0:42     ` [dpdk-dev] [PATCH v7 2/5] ethdev: Fill speed capability bitmaps in the PMDs Marc Sune
2016-01-29  0:42     ` [dpdk-dev] [PATCH v7 3/5] ethdev: redesign link speed config API Marc Sune
2016-01-29  9:24       ` Ananyev, Konstantin
2016-01-29  9:37         ` Thomas Monjalon
2016-01-29  9:47           ` Ananyev, Konstantin
2016-01-29  9:53             ` Thomas Monjalon
2016-01-29 10:17               ` Ananyev, Konstantin
2016-01-29 12:40                 ` Marc
2016-02-01  0:40                 ` Zhang, Helin
2016-02-02  0:04                   ` Marc
2016-02-02  0:45                     ` [dpdk-dev] FW: " Zhang, Helin
2016-01-29 16:16       ` [dpdk-dev] " Nélio Laranjeiro
2016-01-31 21:24         ` Marc
2016-01-29  0:42     ` [dpdk-dev] [PATCH v7 4/5] doc: update with link changes Marc Sune
2016-01-29  0:42     ` [dpdk-dev] [PATCH v7 5/5] ethdev: add rte_eth_speed_to_bm_flag() to ver. map Marc Sune
2016-01-29 13:05       ` Panu Matilainen
2016-01-31 21:21         ` Marc
2016-02-14 22:17     ` [dpdk-dev] [PATCH v8 0/4] ethdev: add speed capabilities and refactor link API Marc Sune
2016-02-14 22:17       ` [dpdk-dev] [PATCH v8 1/4] ethdev: Added ETH_SPEED_CAP bitmap for ports Marc Sune
2016-02-16 20:42         ` Stephen Hemminger
2016-02-14 22:17       ` [dpdk-dev] [PATCH v8 2/4] ethdev: Fill speed capability bitmaps in the PMDs Marc Sune
2016-02-15  8:43         ` Nélio Laranjeiro
2016-02-15  9:17           ` Chen, Jing D
2016-02-15 14:43         ` Rahul Lakkireddy
2016-02-15 17:14           ` Marc
2016-02-16 15:25             ` Nélio Laranjeiro
2016-02-16 22:49               ` Marc
2016-02-14 22:17       ` [dpdk-dev] [PATCH v8 3/4] ethdev: redesign link speed config API Marc Sune
2016-02-15  8:46         ` Nélio Laranjeiro
2016-02-15 11:00           ` Marc
2016-02-15 11:39             ` Olga Shern
2016-02-16 10:28         ` Matej Vido
2016-02-16 22:55           ` Marc
2016-02-14 22:17       ` [dpdk-dev] [PATCH v8 4/4] doc: update with link changes Marc Sune
2016-02-18 18:14         ` Mcnamara, John
2016-02-28 22:17           ` Marc
2016-03-01  0:45       ` [dpdk-dev] [PATCH v9 0/4] ethdev: add speed capabilities and refactor link API Marc Sune
2016-03-01  0:45         ` [dpdk-dev] [PATCH v9 1/4] ethdev: Added ETH_SPEED_CAP bitmap for ports Marc Sune
2016-03-01  0:45         ` [dpdk-dev] [PATCH v9 2/4] ethdev: Fill speed capability bitmaps in the PMDs Marc Sune
2016-03-01  0:45         ` [dpdk-dev] [PATCH v9 3/4] ethdev: redesign link speed config API Marc Sune
2016-03-09  8:45           ` Nélio Laranjeiro
2016-03-09 10:09             ` Marc
2016-03-09 10:20               ` Nélio Laranjeiro
2016-03-01  0:45         ` [dpdk-dev] [PATCH v9 4/4] doc: update with link changes Marc Sune
2016-03-08 15:00         ` [dpdk-dev] [PATCH v9 0/4] ethdev: add speed capabilities and refactor link API Marc Sune
2016-03-08 16:53           ` Nélio Laranjeiro
2016-03-09  9:29             ` Nélio Laranjeiro
2016-03-09 10:09               ` Nélio Laranjeiro
2016-03-09 20:57                 ` Marc [this message]
2016-03-14 21:55         ` [dpdk-dev] [PATCH v10 0/8] ethdev: 100G and link speed API refactoring Thomas Monjalon
2016-03-14 21:55           ` [dpdk-dev] [PATCH v10 1/8] ethdev: use constants for link state Thomas Monjalon
2016-03-14 21:55           ` [dpdk-dev] [PATCH v10 2/8] ethdev: use constants for link duplex Thomas Monjalon
2016-03-14 21:55           ` [dpdk-dev] [PATCH v10 3/8] app/testpmd: move speed and duplex parsing in a function Thomas Monjalon
2016-03-14 21:55           ` [dpdk-dev] [PATCH v10 4/8] ethdev: rename link speed constants Thomas Monjalon
2016-03-14 21:55           ` [dpdk-dev] [PATCH v10 5/8] ethdev: add speed capabilities Thomas Monjalon
2016-03-14 21:55           ` [dpdk-dev] [PATCH v10 6/8] ethdev: redesign link speed config Thomas Monjalon
2016-03-14 21:55           ` [dpdk-dev] [PATCH v10 7/8] ethdev: convert speed number to bitmap flag Thomas Monjalon
2016-03-14 21:55           ` [dpdk-dev] [PATCH v10 8/8] ethdev: add 100G link speed Thomas Monjalon
2016-03-15  0:04           ` [dpdk-dev] [PATCH v10 0/8] ethdev: 100G and link speed API refactoring Matej Vido
2016-03-15  7:12             ` Thomas Monjalon
2016-03-15  7:45               ` Matej Vido
2016-03-15  8:38           ` Nélio Laranjeiro
2016-03-15 13:12           ` [dpdk-dev] [PATCH 0/4] szedata2: " Matej Vido
2016-03-15 13:12             ` [dpdk-dev] [PATCH 1/4] szedata2: use constants for link state Matej Vido
2016-03-15 13:12             ` [dpdk-dev] [PATCH 2/4] szedata2: rename link speed constants Matej Vido
2016-03-15 13:12             ` [dpdk-dev] [PATCH 3/4] szedata2: redesign link speed config Matej Vido
2016-03-15 13:12             ` [dpdk-dev] [PATCH 4/4] szedata2: add 100G link speed Matej Vido
2016-03-15 13:41               ` Thomas Monjalon
2016-03-15 13:47                 ` Matej Vido
2016-03-15 13:50                 ` Matej Vido
2016-03-15 20:51                   ` Thomas Monjalon
2016-03-17 18:08           ` [dpdk-dev] [PATCH v11 0/8] ethdev: 100G and link speed API refactoring Thomas Monjalon
2016-03-17 18:08             ` [dpdk-dev] [PATCH v11 1/8] ethdev: use constants for link state Thomas Monjalon
2016-03-17 18:08             ` [dpdk-dev] [PATCH v11 2/8] ethdev: use constants for link duplex Thomas Monjalon
2016-03-23  2:44               ` Zhang, Helin
2016-03-23  8:34                 ` Thomas Monjalon
2016-03-17 18:09             ` [dpdk-dev] [PATCH v11 3/8] app/testpmd: move speed and duplex parsing in a function Thomas Monjalon
2016-03-17 18:09             ` [dpdk-dev] [PATCH v11 4/8] ethdev: rename link speed constants Thomas Monjalon
2016-03-23  2:52               ` Zhang, Helin
2016-03-23  8:31                 ` Thomas Monjalon
2016-03-17 18:09             ` [dpdk-dev] [PATCH v11 5/8] ethdev: add speed capabilities Thomas Monjalon
2016-03-18  5:18               ` Chen, Jing D
2016-03-18  8:06                 ` Thomas Monjalon
2016-03-18  9:28               ` Adrien Mazarguil
2016-03-18 10:12                 ` Thomas Monjalon
2016-03-17 18:09             ` [dpdk-dev] [PATCH v11 6/8] ethdev: redesign link speed config Thomas Monjalon
2016-03-17 18:09             ` [dpdk-dev] [PATCH v11 7/8] ethdev: convert speed number to bitmap flag Thomas Monjalon
2016-03-17 18:09             ` [dpdk-dev] [PATCH v11 8/8] ethdev: add 100G link speed Thomas Monjalon
2016-03-22 19:58             ` [dpdk-dev] [PATCH v11 0/8] ethdev: 100G and link speed API refactoring Thomas Monjalon
2016-03-23  1:18               ` Xu, Qian Q
2016-03-23  8:39                 ` Thomas Monjalon
2016-03-23 20:54                 ` Marc
2016-03-24  6:21                   ` Xu, Qian Q
2016-03-24  7:47                     ` Marc
2016-03-25  1:02                       ` Xu, Qian Q
2016-03-25  9:35                         ` Thomas Monjalon
2016-03-25 15:07                           ` Zhang, Helin
2016-03-25 15:32                             ` Thomas Monjalon
2016-03-25 20:41                             ` Marc
2016-03-25 21:30                               ` Marc
2016-03-26  1:25                                 ` Marc
2016-03-26  8:08                                 ` Thomas Monjalon
2016-03-26 10:24                                   ` Marc
2016-03-27  9:53                                     ` Thomas Monjalon
2016-03-27 19:39                                       ` Marc
2016-03-28 13:42                                         ` Thomas Monjalon
2016-03-28 19:11                                           ` Marc
2016-03-24 17:32             ` Matej Vido
2016-03-25 19:42             ` [dpdk-dev] [PATCH v12 " Thomas Monjalon
2016-03-25 19:42               ` [dpdk-dev] [PATCH v12 1/8] ethdev: use constants for link state Thomas Monjalon
2016-03-25 19:42               ` [dpdk-dev] [PATCH v12 2/8] ethdev: use constants for link duplex Thomas Monjalon
2016-03-25 19:42               ` [dpdk-dev] [PATCH v12 3/8] app/testpmd: move speed and duplex parsing in a function Thomas Monjalon
2016-03-25 19:42               ` [dpdk-dev] [PATCH v12 4/8] ethdev: rename link speed constants Thomas Monjalon
2016-03-25 19:42               ` [dpdk-dev] [PATCH v12 5/8] ethdev: add speed capabilities Thomas Monjalon
2016-03-25 19:42               ` [dpdk-dev] [PATCH v12 6/8] ethdev: redesign link speed config Thomas Monjalon
2016-03-25 19:42               ` [dpdk-dev] [PATCH v12 7/8] ethdev: convert speed number to bitmap flag Thomas Monjalon
2016-03-25 19:42               ` [dpdk-dev] [PATCH v12 8/8] ethdev: add 100G link speed Thomas Monjalon
2016-03-26  1:27               ` [dpdk-dev] [PATCH v13 0/8] ethdev: 100G and link speed API refactoring Marc Sune
2016-03-26  1:27                 ` [dpdk-dev] [PATCH v13 1/8] ethdev: use constants for link state Marc Sune
2016-03-26  1:27                 ` [dpdk-dev] [PATCH v13 2/8] ethdev: use constants for link duplex Marc Sune
2016-03-26  1:27                 ` [dpdk-dev] [PATCH v13 3/8] app/testpmd: move speed and duplex parsing in a function Marc Sune
2016-03-26  1:27                 ` [dpdk-dev] [PATCH v13 4/8] ethdev: rename link speed constants Marc Sune
2016-04-06  8:34                   ` Weglicki, MichalX
2016-04-06  8:52                     ` Thomas Monjalon
2016-04-06  9:16                       ` Weglicki, MichalX
2016-04-06  9:34                         ` Thomas Monjalon
2016-03-26  1:27                 ` [dpdk-dev] [PATCH v13 5/8] ethdev: add speed capabilities Marc Sune
2016-03-29 13:31                   ` Alejandro Lucero
2016-03-30  8:06                     ` Marc
2016-03-26  1:27                 ` [dpdk-dev] [PATCH v13 6/8] ethdev: redesign link speed config Marc Sune
2016-03-29  6:18                   ` Xing, Beilei
2016-03-30  7:59                     ` Marc
2016-03-31  0:57                       ` Xing, Beilei
2016-03-31 12:28                         ` Thomas Monjalon
2016-04-01  9:53                           ` Xing, Beilei
2016-03-26  1:27                 ` [dpdk-dev] [PATCH v13 7/8] ethdev: convert speed number to bitmap flag Marc Sune
2016-03-26  1:27                 ` [dpdk-dev] [PATCH v13 8/8] ethdev: add 100G link speed Marc Sune
2016-03-26  8:11                 ` [dpdk-dev] [PATCH v13 0/8] ethdev: 100G and link speed API refactoring Thomas Monjalon
2016-03-31 16:17                   ` Adrien Mazarguil
2016-03-30  9:23                 ` Thomas Monjalon
2016-03-31  6:25                   ` Lu, Wenzhuo
2016-03-31 22:12                 ` [dpdk-dev] [PATCH v14 " Marc Sune
2016-03-31 22:12                   ` [dpdk-dev] [PATCH v14 1/8] ethdev: use constants for link state Marc Sune
2016-03-31 22:12                   ` [dpdk-dev] [PATCH v14 2/8] ethdev: use constants for link duplex Marc Sune
2016-03-31 22:12                   ` [dpdk-dev] [PATCH v14 3/8] app/testpmd: move speed and duplex parsing in a function Marc Sune
2016-03-31 22:12                   ` [dpdk-dev] [PATCH v14 4/8] ethdev: rename link speed constants Marc Sune
2016-03-31 22:12                   ` [dpdk-dev] [PATCH v14 5/8] ethdev: add speed capabilities Marc Sune
2016-03-31 22:12                   ` [dpdk-dev] [PATCH v14 6/8] ethdev: redesign link speed config Marc Sune
2016-03-31 22:12                   ` [dpdk-dev] [PATCH v14 7/8] ethdev: convert speed number to bitmap flag Marc Sune
2016-03-31 22:12                   ` [dpdk-dev] [PATCH v14 8/8] ethdev: add 100G link speed Marc Sune
2016-04-01 19:38                   ` [dpdk-dev] [PATCH v14 0/8] ethdev: 100G and link speed API refactoring Thomas Monjalon

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