netdev - Re: [net-next-2.6 RFC PATCH v3] ethtool: allow custom interval for physical identification

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Date:	Fri, 15 Apr 2011 02:26:25 +0100
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Bruce Allan <bruce.w.allan@...el.com>
Cc:	netdev@...r.kernel.org, Sathya Perla <sathya.perla@...lex.com>,
	Subbu Seetharaman <subbu.seetharaman@...lex.com>,
	Ajit Khaparde <ajit.khaparde@...lex.com>,
	Michael Chan <mchan@...adcom.com>,
	Eilon Greenstein <eilong@...adcom.com>,
	Divy Le Ray <divy@...lsio.com>,
	Don Fry <pcnet32@...ntier.com>, Jon Mason <jdmason@...zu.us>,
	Solarflare linux maintainers <linux-net-drivers@...arflare.com>,
	Steve Hodgson <shodgson@...arflare.com>,
	Stephen Hemminger <shemminger@...ux-foundation.org>,
	Matt Carlson <mcarlson@...adcom.com>
Subject: Re: [net-next-2.6 RFC PATCH v3] ethtool: allow custom interval for
 physical identification

On Wed, 2011-04-13 at 16:09 -0700, Bruce Allan wrote:
> When physical identification of an adapter is done by toggling the
> mechanism on and off through software utilizing the set_phys_id operation,
> it is done with a fixed duration for both on and off states.  Some drivers
> may want to set a custom duration for the on/off intervals.  This patch
> changes the API so the return code from the driver's entry point when it
> is called with ETHTOOL_ID_ACTIVE can specify the frequency at which to
> cycle the on/off states, and updates the drivers that have already been
> converted to use the new set_phys_id and use the synchronous method for
> identifying an adapter.
> 
> The physical identification frequency set in the updated drivers is based
> on how it was done prior to the introduction of set_phys_id.
> 
> Compile tested only.  Also fixes a compiler warning in sfc.
> 
> v2: drivers do not return -EINVAL for ETHOOL_ID_ACTIVE
> v3: fold patchset into single patch and cleanup per Ben's feedback
> 
> Signed-off-by: Bruce Allan <bruce.w.allan@...el.com>
> Cc: Ben Hutchings <bhutchings@...arflare.com>
[...]
Acked-by: Ben Hutchings <bhutchings@...arflare.com>

-- 
Ben Hutchings, Senior Software Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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