linux-kernel - Re: [PATCH iwl-next v3 00/15] Introduce iXD driver

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Message-ID: <1f3062f9-5e97-4669-848c-918726f118da@intel.com>
Date: Mon, 12 May 2025 11:41:09 -0700
From: Jacob Keller <jacob.e.keller@...el.com>
To: Larysa Zaremba <larysa.zaremba@...el.com>, Simon Horman <horms@...nel.org>
CC: <intel-wired-lan@...ts.osuosl.org>, Tony Nguyen
	<anthony.l.nguyen@...el.com>, "David S. Miller" <davem@...emloft.net>, "Eric
 Dumazet" <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
	<pabeni@...hat.com>, Jonathan Corbet <corbet@....net>, Przemek Kitszel
	<przemyslaw.kitszel@...el.com>, Jiri Pirko <jiri@...nulli.us>, "Tatyana
 Nikolova" <tatyana.e.nikolova@...el.com>, Andrew Lunn
	<andrew+netdev@...n.ch>, Alexander Lobakin <aleksander.lobakin@...el.com>,
	Michael Ellerman <mpe@...erman.id.au>, Maciej Fijalkowski
	<maciej.fijalkowski@...el.com>, "Lee Trager" <lee@...ger.us>, Madhavan
 Srinivasan <maddy@...ux.ibm.com>, "Sridhar Samudrala"
	<sridhar.samudrala@...el.com>, Michal Swiatkowski
	<michal.swiatkowski@...ux.intel.com>, Mateusz Polchlopek
	<mateusz.polchlopek@...el.com>, Ahmed Zaki <ahmed.zaki@...el.com>,
	<netdev@...r.kernel.org>, <linux-doc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, "Karlsson, Magnus"
	<magnus.karlsson@...el.com>, Emil Tantilov <emil.s.tantilov@...el.com>,
	"Madhu Chittim" <madhu.chittim@...el.com>, Josh Hay <joshua.a.hay@...el.com>,
	"Milena Olech" <milena.olech@...el.com>, <pavan.kumar.linga@...el.com>,
	"Singhai, Anjali" <anjali.singhai@...el.com>
Subject: Re: [PATCH iwl-next v3 00/15] Introduce iXD driver



On 5/12/2025 6:21 AM, Larysa Zaremba wrote:
> On Mon, May 12, 2025 at 01:49:06PM +0100, Simon Horman wrote:
>> On Fri, May 09, 2025 at 03:42:57PM +0200, Larysa Zaremba wrote:
>>> This patch series adds the iXD driver, which supports the Intel(R)
>>> Control Plane PCI Function on Intel E2100 and later IPUs and FNICs.
>>> It facilitates a centralized control over multiple IDPF PFs/VFs/SFs
>>> exposed by the same card. The reason for the separation is to be able
>>> to offload the control plane to the host different from where the data
>>> plane is running.
>>>
>>> This is the first phase in the release of this driver where we implement the
>>> initialization of the core PCI driver. Subsequent phases will implement
>>> advanced features like usage of idpf ethernet aux device, link management,
>>> NVM update via devlink, switchdev port representors, data and exception path,
>>> flow rule programming, etc.
>>
>> Hi Larysa,
>>
>> I am having a bit of trouble figuring out where to cleanly apply this
>> series to. Could you help me out?
> 
> Tree did change quite a bit in a short span of time between me fetching and 
> sending, sorry for the trouble.
> 
> The base commit is 10f540c09cf9 "ice: default to TIME_REF instead of TXCO on 
> E825-C". In case you cannot access it, I have pushed the tree to my github.
> 
> https://github.com/walking-machine/linux/commits/ixd_phase1_iwl_v3
> 
> This version is probably much closer to what would be in dev-queue eventually, 
> compared to a properly rebased one. Some patches were pulled out of dev-queue 
> because of validation problems, but should be back pretty soon, as far as I 
> know. Those patches are the reason why I have an additional fix in the github 
> tree.

Thanks for sharing the info!

I think we also have been holding off on putting stuff onto dev-queue
because of the conflicts, and wanting to finish up some of the existing
series. That's resulted in a lot of back and forth as some of the larger
refactors have a lot of places to conflict.