netdev - RE: [Enable Designware XGMAC VLAN Stripping Feature 1/2] dt-bindings: net: snps,dwmac: Add description for rx-vlan-offload

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Message-ID: <DM8PR11MB5751CB29CB9BF99D240DA2EEC13FA@DM8PR11MB5751.namprd11.prod.outlook.com>
Date: Fri, 21 Jul 2023 16:33:51 +0000
From: "Ng, Boon Khai" <boon.khai.ng@...el.com>
To: Krzysztof Kozlowski <krzk@...nel.org>, "Boon@...mtp.png.intel.com"
	<Boon@...mtp.png.intel.com>, "Khai@...mtp.png.intel.com"
	<Khai@...mtp.png.intel.com>, Giuseppe Cavallaro <peppe.cavallaro@...com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>, Jose Abreu
	<joabreu@...opsys.com>, "David S . Miller" <davem@...emloft.net>, "Eric
 Dumazet" <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
	<pabeni@...hat.com>, Maxime Coquelin <mcoquelin.stm32@...il.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-stm32@...md-mailman.stormreply.com"
	<linux-stm32@...md-mailman.stormreply.com>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
CC: "Shevchenko, Andriy" <andriy.shevchenko@...el.com>, "Tham, Mun Yew"
	<mun.yew.tham@...el.com>, "Swee, Leong Ching" <leong.ching.swee@...el.com>,
	"G Thomas, Rohan" <rohan.g.thomas@...el.com>, Shevchenko Andriy
	<andriy.shevchenko@...ux.intel.com>
Subject: RE: [Enable Designware XGMAC VLAN Stripping Feature 1/2] dt-bindings:
 net: snps,dwmac: Add description for rx-vlan-offload

> -----Original Message-----
> From: Krzysztof Kozlowski <krzk@...nel.org>
> Sent: Saturday, July 22, 2023 12:22 AM
> To: Ng, Boon Khai <boon.khai.ng@...el.com>; Boon@...mtp.png.intel.com;
> Khai@...mtp.png.intel.com; Giuseppe Cavallaro <peppe.cavallaro@...com>;
> Alexandre Torgue <alexandre.torgue@...s.st.com>; Jose Abreu
> <joabreu@...opsys.com>; David S . Miller <davem@...emloft.net>; Eric
> Dumazet <edumazet@...gle.com>; Jakub Kicinski <kuba@...nel.org>;
> Paolo Abeni <pabeni@...hat.com>; Maxime Coquelin
> <mcoquelin.stm32@...il.com>; netdev@...r.kernel.org; linux-stm32@st-
> md-mailman.stormreply.com; linux-arm-kernel@...ts.infradead.org; linux-
> kernel@...r.kernel.org
> Cc: Shevchenko, Andriy <andriy.shevchenko@...el.com>; Tham, Mun Yew
> <mun.yew.tham@...el.com>; Swee, Leong Ching
> <leong.ching.swee@...el.com>; G Thomas, Rohan
> <rohan.g.thomas@...el.com>; Shevchenko Andriy
> <andriy.shevchenko@...ux.intel.com>
> Subject: Re: [Enable Designware XGMAC VLAN Stripping Feature 1/2] dt-
> bindings: net: snps,dwmac: Add description for rx-vlan-offload
> 
> On 21/07/2023 17:28, Ng, Boon Khai wrote:
> >> -----Original Message-----
> >> From: Krzysztof Kozlowski <krzk@...nel.org>
> >> Sent: Friday, July 21, 2023 6:11 PM
> >> To: Boon@...mtp.png.intel.com; Khai@...mtp.png.intel.com; "Ng
> >> <boon.khai.ng"@intel.com; Giuseppe Cavallaro
> >> <peppe.cavallaro@...com>; Alexandre Torgue
> >> <alexandre.torgue@...s.st.com>; Jose Abreu <joabreu@...opsys.com>;
> >> David S . Miller <davem@...emloft.net>; Eric Dumazet
> >> <edumazet@...gle.com>; Jakub Kicinski <kuba@...nel.org>; Paolo
> Abeni
> >> <pabeni@...hat.com>; Maxime Coquelin
> <mcoquelin.stm32@...il.com>;
> >> netdev@...r.kernel.org; linux-stm32@...md- mailman.stormreply.com;
> >> linux-arm-kernel@...ts.infradead.org; linux- kernel@...r.kernel.org
> >> Cc: Ng, Boon Khai <boon.khai.ng@...el.com>; Shevchenko, Andriy
> >> <andriy.shevchenko@...el.com>; Tham, Mun Yew
> >> <mun.yew.tham@...el.com>; Swee, Leong Ching
> >> <leong.ching.swee@...el.com>; G Thomas, Rohan
> >> <rohan.g.thomas@...el.com>; Shevchenko Andriy
> >> <andriy.shevchenko@...ux.intel.com>
> >> Subject: Re: [Enable Designware XGMAC VLAN Stripping Feature 1/2] dt-
> bindings:
> >> net: snps,dwmac: Add description for rx-vlan-offload
> >>
> >> On 21/07/2023 08:26, Boon@...mtp.png.intel.com wrote:
> >>> From: Boon Khai Ng <boon.khai.ng@...el.com>
> >>>
> >>> This patch is to add the dts setting for the MAC controller on
> >>> synopsys 10G Ethernet MAC which allow the 10G MAC to turn on
> >>> hardware accelerated VLAN stripping. Once the hardware accelerated
> >>> VLAN stripping is turn on, the VLAN tag will be stripped by the
> >>
> >> Subject prefix is totally bogus.
> >>
> >
> > Which part? It's a 10G Ethernet IP from Sysnopsys, in Roman character it is
> X (mean 10), so XGMAC.
> > Even the driver file I'm editing it is dw"xgmac".
> 
> Everything in [].
> 
> >
> >>
> >>> 10G Ethernet MAC.
> >>>
> >>> Signed-off-by: Boon Khai Ng <boon.khai.ng@...el.com>
> >>> Reviewed-by: Shevchenko Andriy <andriy.shevchenko@...ux.intel.com>
> >>
> >> Please use scripts/get_maintainers.pl to get a list of necessary
> >> people and lists to CC. It might happen, that command when run on an
> >> older kernel, gives you outdated entries. Therefore please be sure
> >> you base your patches on recent Linux kernel.
> >>
> >
> > This is based on net-next repository suggested by the get maintainer script.
> >
> > I got the latest net-next just now at the Commit-id b44693495af8 which
> > just committed yesterday.
> >
> > $ ./scripts/get_maintainer.pl  --scm  -f
> > drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
> 
> That's not how you run it. get_maintainers.pl should be run on patches or on
> all files, not just some selection.
> 
> > Giuseppe Cavallaro <peppe.cavallaro@...com> (supporter:STMMAC
> ETHERNET
> > DRIVER) Alexandre Torgue <alexandre.torgue@...s.st.com>
> > (supporter:STMMAC ETHERNET DRIVER) Jose Abreu
> <joabreu@...opsys.com>
> > (supporter:STMMAC ETHERNET DRIVER) "David S. Miller"
> > <davem@...emloft.net> (maintainer:NETWORKING DRIVERS) Eric
> Dumazet
> > <edumazet@...gle.com> (maintainer:NETWORKING DRIVERS) Jakub
> Kicinski
> > <kuba@...nel.org> (maintainer:NETWORKING DRIVERS) Paolo Abeni
> > <pabeni@...hat.com> (maintainer:NETWORKING DRIVERS) Maxime
> Coquelin
> > <mcoquelin.stm32@...il.com> (maintainer:ARM/STM32 ARCHITECTURE)
> > Richard Cochran <richardcochran@...il.com> (maintainer:PTP HARDWARE
> > CLOCK SUPPORT) netdev@...r.kernel.org (open list:STMMAC ETHERNET
> > DRIVER) linux-stm32@...md-mailman.stormreply.com (moderated
> > list:ARM/STM32 ARCHITECTURE) linux-arm-kernel@...ts.infradead.org
> > (moderated list:ARM/STM32 ARCHITECTURE) linux-kernel@...r.kernel.org
> > (open list) git
> > git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git
> > git git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git
> > git git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32.git
> > stm32-next git
> > git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> >
> >> You missed at least DT list (maybe more), so this won't be tested by
> >> automated tooling. Performing review on untested code might be a
> >> waste of time, thus I will skip this patch entirely till you follow
> >> the process allowing the patch to be tested.
> >>
> >
> > This is a new device bringup, thus the DT is not available yet. The
> > DTS will be upstreamed by my another colleague, unless, if I can upstream
> only my part on the setting?
> 
> You are mixing now DTS and DT bindings. Sorry, we do not talk about DTS.
> 
> Follow our process of submitting patches. For sure there are folks in Intel
> which can explain it to you.
> 

Ah see, so you were saying I'm missing the cc list of the maintainer related to the
DT binding. 

> 
> Best regards,
> Krzysztof