linux-kernel - RE: [PATCH net-next v7 02/12] net: dsa: microchip: add IPV information support

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Date: Tue, 7 May 2024 15:04:17 +0000
From: <Woojung.Huh@...rochip.com>
To: <o.rempel@...gutronix.de>
CC: <davem@...emloft.net>, <andrew@...n.ch>, <edumazet@...gle.com>,
	<f.fainelli@...il.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
	<olteanv@...il.com>, <Arun.Ramadoss@...rochip.com>, <kernel@...gutronix.de>,
	<linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
	<UNGLinuxDriver@...rochip.com>, <dsahern@...nel.org>, <horms@...nel.org>,
	<willemb@...gle.com>, <san@...v.dk>
Subject: RE: [PATCH net-next v7 02/12] net: dsa: microchip: add IPV
 information support

Hi Oleksij,

> Hi Woojung,
> 
> On Mon, May 06, 2024 at 08:43:48PM +0000, Woojung.Huh@...rochip.com wrote:
> > Hi Oleksij,
> >
> > Thanks for the patch and sorry about late comment on this.
> >
> > I have a comment on the name of IPV (Internal Priority Value)
> > IPV is added and used term in 802.1Qci PSFP
> > (https://ieeexplore.ieee.org/document/8064221) and, merged into 802.1Q
> (from 802.1Q-2018)
> > for another functions.
> >
> > Even it does similar operation holding temporal priority value internally
> (as it is named),
> > because KSZ datasheet doesn't use the term of IPV (Internal Priority Value)
> and
> > avoiding any confusion later when PSFP is in the Linux world,
> > I would like to recommend a different name such as IPM (Internal Priority
> Mapping) than IPV.
> >
> > How do you think?
> 
> Ok.
> 
> Do IPV in LAN9372 datasheet means, IPV 802.1Qci PSFP or IPM?
> 

IPV in LAN9372 is 802.1Qci PSFP. It has TSN features including 802.1Qci.

Thanks.
Woojung