Re: [PATCH] igb: add a method to get the nic hw time stamping policy

[Richard Cochran <richardcochran@gmail.com>]

On Sun, May 12, 2013 at 10:25:55PM +0800, Dong Zhu wrote:
> Thanks for your pointing out my mistakes of CodingStyle.
> 
> > > struct hwtstamp_config {
> > >+	int rw;
> 
> My initial idea was that the type of rw should be enum like tx_type, but I am
> not sure whther it is necessary to define a new enum, if this patch could
> be accpeted I will ask someone about the rw. At that time I will change
> the type of rw to bool or define a new enum, then convert the if to
> switch if necessary.

You cannot add any new field at all. That would break a userland ABI.

Thanks,
Richard

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