linux-kernel - RE: [RFC PATCH net-next 3/9] ethtool: Add an interface for flashing transceiver modules' firmware

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Message-ID:
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Date: Tue, 23 Jan 2024 13:34:18 +0000
From: Danielle Ratson <danieller@...dia.com>
To: Jakub Kicinski <kuba@...nel.org>
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Subject: RE: [RFC PATCH net-next 3/9] ethtool: Add an interface for flashing
 transceiver modules' firmware

> > +The firmware update process can take several minutes to complete.
> > +Therefore, during the update process notifications are emitted from
> > +the kernel to user space updating it about the status and progress.
> 
> We should state more explicitly that the op just starts the process, and does
> not block. Looks like cable test already uses _ACT as a suffix, is it based on
> some standard? Doesn't seem all that intuitive to me (or at least less intuitive
> than calling it _START...)

From Documentation/networking/ethtool-netlink.rst:
"
List of message types
=====================

All constants identifying message types use ``ETHTOOL_CMD_`` prefix and suffix
according to message purpose:

==============    ======================================
``_GET``          userspace request to retrieve data
``_SET``          userspace request to set data
``_ACT``          userspace request to perform an action
``_GET_REPLY``    kernel reply to a ``GET`` request
``_SET_REPLY``    kernel reply to a ``SET`` request
``_ACT_REPLY``    kernel reply to an ``ACT`` request
``_NTF``          kernel notification
==============    ======================================
"

So, it looks suitable to me.