netdev - Re: What ixgbe devices support HWTSTAMP_FILTER

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Message-Id: <076DDE1B-C6F3-43FD-94BE-1EAF15726383@alum.mit.edu>
Date:	Fri, 13 May 2016 19:23:36 -0700
From:	Guy Harris <guy@...m.mit.edu>
To:	Network Development <netdev@...r.kernel.org>
Subject: Re: What ixgbe devices support HWTSTAMP_FILTER_ALL for hardware time stamping?

On May 13, 2016, at 4:12 PM, Guy Harris <guy@...m.mit.edu> wrote:

> 	drivers/net/ethernet/freescale/gianfar*.c
> 
> reports HWTSTAMP_FILTER_ALL even if the device doesn't have FSL_GIANFAR_DEV_HAS_TIMER set so that it claims that devices without a timer can do hardware timestamping,

Nope - I checked, and it doesn't claim to support any hardware timestamping at all if it doesn't have FSL_GIANFAR_DEV_HAS_TIMER set, so that *particular* driver is OK.