netdev - Re: [PATCH net-next v1 0/5] add ethernet driver for Tehuti Networks TN40xx chips

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Message-Id: <20240416.195912.615260830449617081.fujita.tomonori@gmail.com>
Date: Tue, 16 Apr 2024 19:59:12 +0900 (JST)
From: FUJITA Tomonori <fujita.tomonori@...il.com>
To: f.fainelli@...il.com
Cc: fujita.tomonori@...il.com, netdev@...r.kernel.org, andrew@...n.ch
Subject: Re: [PATCH net-next v1 0/5] add ethernet driver for Tehuti
 Networks TN40xx chips

Hi,

On Mon, 15 Apr 2024 16:21:35 -0700
Florian Fainelli <f.fainelli@...il.com> wrote:

> Thanks a lot for attempting to upstream support for the TN40xx chips,
> those are extremely popular 10GbE PCIe cards under USD 100. Last I
> checked the vendor driver, it was not entirely clear however whether
> it would be possible to get the various PHY firmwares included in
> linux-firmware, that is the licensing was not very specific either way
> (redistribution allowed or not).

The code of the original driver has MODULE_LICENSE("GPL"). The
firmware of QT2025 PHY is embedded in a header file in the source code
in the binary format. So I assume that it's also under GPL.

Unlike QT2025 firmware file, firmware files for Marvell PHYs aren't
included in the original driver code. The README says you need to get
Marvell firmware files and compile the code with them. So I guess that
they can't be redistributed.