DPDK patches and discussions
 help / color / mirror / Atom feed
From: Pradeep Kumar Nalla <pnalla@marvell.com>
To: Ferruh Yigit <ferruh.yigit@intel.com>
Cc: Jerin Jacob Kollanukkaran <jerinj@marvell.com>,
	Satananda Burla <sburla@marvell.com>,
	"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [EXT] Re:  [PATCH 00/15] Octeon Tx/Tx2 Endpoint pmd
Date: Wed, 6 Jan 2021 11:35:53 +0000
Message-ID: <MW2PR18MB2314419FC6CA908C73ADABADC6D09@MW2PR18MB2314.namprd18.prod.outlook.com> (raw)
In-Reply-To: <708ef98d-7492-be87-6a6f-454e68174da3@intel.com>



-----Original Message-----
From: Ferruh Yigit <ferruh.yigit@intel.com> 
Sent: Tuesday, January 5, 2021 8:59 PM
To: Pradeep Kumar Nalla <pnalla@marvell.com>
Cc: Jerin Jacob Kollanukkaran <jerinj@marvell.com>; Satananda Burla <sburla@marvell.com>; dev@dpdk.org
Subject: Re: [EXT] Re: [dpdk-dev] [PATCH 00/15] Octeon Tx/Tx2 Endpoint pmd

On 1/5/2021 2:43 PM, Pradeep Kumar Nalla wrote:

Please do not top post, reply moved below.

> Thanks
> Pradeep.
> -----Original Message-----
> From: Ferruh Yigit <ferruh.yigit@intel.com>
> Sent: Monday, January 4, 2021 5:22 PM
> To: Pradeep Kumar Nalla <pnalla@marvell.com>
> Cc: Jerin Jacob Kollanukkaran <jerinj@marvell.com>; Satananda Burla 
> <sburla@marvell.com>; dev@dpdk.org
> Subject: [EXT] Re: [dpdk-dev] [PATCH 00/15] Octeon Tx/Tx2 Endpoint pmd
> 
> External Email
> 
> ----------------------------------------------------------------------
> On 12/31/2020 7:22 AM, Nalla, Pradeep wrote:
>> From: "Nalla Pradeep" <pnalla@marvell.com>
>>
>> This patch set contains PMD with minimal set of operations that can 
>> drive both Octeon Tx and Tx2 in endpoint.
>>
> 
> Hi Pradeep,
> 
> There is already octeontx and octeontx2 net drivers, what is the difference of the 'endpoint' driver, why it is needed, can you please give more information?
> 
> Hi Ferruh 
> 
> This PMD, while running on a host, drives octeontx/octeontx2 over pci bus, where as "OcteonTx and OcteonTx2 net drivers" run on respective Tx/Tx2 SOCs to make use of h/w blocks present on the SOC.
> 
> But aren't they same HW block, either in the SoC or external ethernet controller via PCI bus?
No, this pmd doesn't access any h/w block on the soc. When in ep mode octeontx and octeontx2 present themselves as network devices and this pmd will program that interface and does packet rx/tx.
> As far as I can see octeontx2 access the device via PCI bus, why updating the existing driver and adding new device IDs is not working?
OxteonTx2 access H/W blocks on soc which also appear as PCI devices.

  reply	other threads:[~2021-01-06 11:36 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-31  7:22 [dpdk-dev] " Nalla, Pradeep
2020-12-31  7:22 ` [dpdk-dev] [PATCH 01/15] net/octeontx_ep: add build and doc infrastructure Nalla, Pradeep
2020-12-31  7:22 ` [dpdk-dev] [PATCH 02/15] net/octeontx_ep: add ethdev probe and remove Nalla, Pradeep
2020-12-31  7:22 ` [dpdk-dev] [PATCH 03/15] net/octeontx_ep: add device init and uninit Nalla, Pradeep
2020-12-31  7:22 ` [dpdk-dev] [PATCH 04/15] net/octeontx_ep: Added basic device setup Nalla, Pradeep
2020-12-31  7:22 ` [dpdk-dev] [PATCH 05/15] net/octeontx_ep: Add dev info get and configure Nalla, Pradeep
2020-12-31  7:22 ` [dpdk-dev] [PATCH 06/15] net/octeontx_ep: Added rxq setup and release Nalla, Pradeep
2020-12-31  7:22 ` [dpdk-dev] [PATCH 07/15] net/octeontx_ep: Added tx queue " Nalla, Pradeep
2020-12-31  7:22 ` [dpdk-dev] [PATCH 08/15] net/octeontx_ep: Setting up iq and oq registers Nalla, Pradeep
2020-12-31  7:22 ` [dpdk-dev] [PATCH 09/15] net/octeontx_ep: Added dev start and stop Nalla, Pradeep
2020-12-31  7:22 ` [dpdk-dev] [PATCH 10/15] net/octeontx_ep: Receive data path function added Nalla, Pradeep
2020-12-31  7:22 ` [dpdk-dev] [PATCH 11/15] net/octeontx_ep: Transmit " Nalla, Pradeep
2020-12-31  7:22 ` [dpdk-dev] [PATCH 12/15] net/octeontx_ep: INFO PTR mode support added Nalla, Pradeep
2020-12-31  7:22 ` [dpdk-dev] [PATCH 13/15] net/octeontx_ep: stats get/reset and link update Nalla, Pradeep
2020-12-31  7:22 ` [dpdk-dev] [PATCH 14/15] net/octeontx_ep: rx queue interrupt Nalla, Pradeep
2020-12-31  7:22 ` [dpdk-dev] [PATCH 15/15] net/octeontx_ep: Input output reset Nalla, Pradeep
2021-01-04 11:51 ` [dpdk-dev] [PATCH 00/15] Octeon Tx/Tx2 Endpoint pmd Ferruh Yigit
2021-01-05 14:43   ` [dpdk-dev] [EXT] " Pradeep Kumar Nalla
2021-01-05 15:29     ` Ferruh Yigit
2021-01-06 11:35       ` Pradeep Kumar Nalla [this message]
2021-01-06 11:58         ` Jerin Jacob
2021-01-06 14:24           ` Ferruh Yigit
2021-01-06 14:43             ` Jerin Jacob
2021-01-06 15:30               ` Pradeep Kumar Nalla
2021-01-06 18:13               ` Ferruh Yigit

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=MW2PR18MB2314419FC6CA908C73ADABADC6D09@MW2PR18MB2314.namprd18.prod.outlook.com \
    --to=pnalla@marvell.com \
    --cc=dev@dpdk.org \
    --cc=ferruh.yigit@intel.com \
    --cc=jerinj@marvell.com \
    --cc=sburla@marvell.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

DPDK patches and discussions

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://inbox.dpdk.org/dev/0 dev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dev dev/ https://inbox.dpdk.org/dev \
		dev@dpdk.org
	public-inbox-index dev

Example config snippet for mirrors.
Newsgroup available over NNTP:
	nntp://inbox.dpdk.org/inbox.dpdk.dev


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git