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Message-ID: <ZXmPXzSxq0k4eO0m@shredder>
Date: Wed, 13 Dec 2023 13:02:55 +0200
From: Ido Schimmel <idosch@...dia.com>
To: Jakub Kicinski <kuba@...nel.org>
Cc: Jijie Shao <shaojijie@...wei.com>, yisen.zhuang@...wei.com,
	salil.mehta@...wei.com, davem@...emloft.net, edumazet@...gle.com,
	pabeni@...hat.com, shenjian15@...wei.com, wangjie125@...wei.com,
	liuyonglong@...wei.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH net-next 5/6] net: hns3: Add support for some CMIS
 transceiver modules

On Mon, Dec 11, 2023 at 07:21:22PM -0800, Jakub Kicinski wrote:
> On Mon, 11 Dec 2023 10:08:15 +0800 Jijie Shao wrote:
> > Add two more SFF-8024 Identifier Values that according to the standard
> > support the Common Management Interface Specification (CMIS) memory map
> > so the hns3 driver will be able to dump, parse and print their EEPROM
> > contents.This two SFF-8024 Identifier Values are SFF8024_ID_QSFP_DD (0x18)
> > and SFF8024_ID_QSFP_PLUS_CMIS (0x1E).
> 
> Hm, you don't implement the ethtool get_module_eeprom_by_page op?
> I thought for QSFP DD page support was basically required.

You can read the first few pages with the legacy interface, but for the
rest you need the get_module_eeprom_by_page op. My recommendation is to
implement the new op and abandon the old ones.

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