Re: [dpdk-dev] [PATCH 00/26] DPDK PMD for OCTEONTX NW device

[Jerin Jacob <jerin.jacob@caviumnetworks.com>]

-----Original Message-----
> Date: Tue, 5 Sep 2017 18:43:37 +0100
> From: Ferruh Yigit <ferruh.yigit@intel.com>
> To: Jerin Jacob <jerin.jacob@caviumnetworks.com>, dev@dpdk.org
> CC: santosh.shukla@caviumnetworks.com
> Subject: Re: [dpdk-dev] [PATCH 00/26] DPDK PMD for OCTEONTX NW device
> User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101
>  Thunderbird/52.3.0
> 
> On 8/31/2017 3:54 PM, Jerin Jacob wrote:
> > This patch set provides the initial version of DPDK PMD for the
> > integrated NIC device found in Cavium OCTEONTX SoC(CN83xx) family.
> > 
> > Introduction to OCTEONTX ARM processors can be found
> > here: http://www.cavium.com/OCTEON-TX_ARM_Processors.html
> > 
> > OCTEONTX SoC family has two types of NIC controllers,
> > 1) nicvf HW, Which is more like traditional NIC(no NPU HW accelerators)
> > http://dpdk.org/doc/guides/nics/thunderx.html
> > 
> > 2) NIC controller, based on NPU like HW accelerated coprocessors, like
> > HW assisted mempool manager, HW assisted packet scheduler, etc
> > 
> > This driver adds support for the second type device and which will be
> > used as HW implementation driver ethdev-eventdev Rx adapter [1]
> > 
> > Implemented features and PMD documentation added
> > in doc/guides/nics/features/octeontx.ini and doc/guides/nics/octeontx.rst
> > respectively in this patch set.
> > 
> > This driver has the dependency on:
> > - IOVA infrastructure [2].
> > - Dynamically configure mempool handle (ie.. --mbuf-pool-ops eal arg) [3].
> > - Infrastructure to support octeontx HW mempool manager [4].
> > - Cavium Octeontx external mempool driver [5]
> > Git source repo for all above dependency patches located at [6].
> 
> Hi Jerin,

Hi Ferruh,

> 
> At first glance PMD looks good to me, but currently there are many
> dependencies and I am not able to apply the set. I will wait a little
> more for dependent patches to settle down and will re-visit this again.

OK. The dependencies are more of runtime in nature not all of them are compile time.


> 
> > 
> > The series has three check patch issues:
> > 1) 1 Error on Complex Macro (which I believe it cannot be fixed) # Patch 2
> > 2) 1 Error on spacing while using gcc inline assembly(it is false positive) # patch 2
> > 3) Added Co-authored-by: signature to reflect the patch authorship status instead
> > of "Signed-off-by". It can be changed or the contributing guide can be
> > updated based on the community feedback in v2.
> > 
> > [1] http://dpdk.org/dev/patchwork/patch/24176/
> 
> Are these APIs used in this patchset, I looked for them but not able to
> find ...

No.