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From: David Laight <david.laight.linux@gmail.com>
To: Jacek Kowalski <jacek@jacekk.info>
Cc: Simon Horman <horms@kernel.org>,
	Tony Nguyen <anthony.l.nguyen@intel.com>,
	Przemek Kitszel <przemyslaw.kitszel@intel.com>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, Vlad URSU <vlad@ursu.me>
Subject: Re: [PATCH v3 2/2] e1000e: ignore factory-default checksum value on TGP platform
Date: Sun, 29 Jun 2025 10:36:20 +0100	[thread overview]
Message-ID: <20250629103620.186ea33d@pumpkin> (raw)
In-Reply-To: <613026c7-319c-480f-83da-ffc85faaf42b@jacekk.info>

On Wed, 25 Jun 2025 15:05:01 +0200
Jacek Kowalski <jacek@jacekk.info> wrote:

> >>>> +#define NVM_CHECKSUM_FACTORY_DEFAULT 0xFFFF  
> >>>
> >>> Perhaps it is too long, but I liked Vlad's suggestion of naming this
> >>> NVM_CHECKSUM_WORD_FACTORY_DEFAULT.  
> 
> So the proposals are:
> 
> 1. NVM_CHECKSUM_WORD_FACTORY_DEFAULT
> 2. NVM_CHECKSUM_FACTORY_DEFAULT
> 3. NVM_CHECKSUM_INVALID
> 4. NVM_CHECKSUM_MISSING
> 5. NVM_CHECKSUM_EMPTY
> 6. NVM_NO_CHECKSUM
> 
> Any other contenders?
> 

0xffff

With a comment saying some manufacturers don't calculate the checksum.
Then you don't needs to search the definition to find out what is going on.

	David

      parent reply	other threads:[~2025-06-29  9:36 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-24 19:07 [PATCH v3 1/2] e1000e: disregard NVM checksum on tgp when valid checksum mask is not set Jacek Kowalski
2025-06-24 19:14 ` [PATCH v3 2/2] e1000e: ignore factory-default checksum value on TGP platform Jacek Kowalski
2025-06-24 19:42   ` Simon Horman
2025-06-24 21:05     ` Jacek Kowalski
2025-06-25  9:44       ` Simon Horman
2025-06-25 13:05         ` Jacek Kowalski
2025-06-25 14:06           ` Vlad URSU
2025-06-25 17:00             ` Simon Horman
2025-06-29  9:36           ` David Laight [this message]

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