netdev - Re: [PATCH net-next] enic: Add ethtool support to show classifier filters added by the driver

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Date:	Mon, 14 Jul 2014 12:28:58 +0530 (IST)
From:	Govindarajulu Varadarajan <_govind@....com>
To:	David Miller <davem@...emloft.net>
cc:	_govind@....com, netdev@...r.kernel.org, ssujith@...co.com,
	benve@...co.com
Subject: Re: [PATCH net-next] enic: Add ethtool support to show classifier
 filters added by the driver

On Sun, 13 Jul 2014, David Miller wrote:

> From: Govindarajulu Varadarajan <_govind@....com>
> Date: Sat, 12 Jul 2014 14:09:15 +0530 (IST)
>
>> On Fri, 11 Jul 2014, David Miller wrote:
>>
>>> From: Govindarajulu Varadarajan <_govind@....com>
>>> Date: Fri, 11 Jul 2014 14:44:11 +0530
>>>
>>>> Right now Accelerated RFS is the only feature which adds classifier
>>>> filters.
>>>> So enable get_rxnfc only when CONFIG_RFS_ACCEL = y
>>> ...
>>>> @@ -293,6 +389,9 @@ static const struct ethtool_ops enic_ethtool_ops =
>>>> {
>>>>  	.get_ethtool_stats = enic_get_ethtool_stats,
>>>>  	.get_coalesce = enic_get_coalesce,
>>>>  	.set_coalesce = enic_set_coalesce,
>>>> +#ifdef CONFIG_RFS_ACCEL
>>>> +	.get_rxnfc = enic_get_rxnfc,
>>>> +#endif
>>>
>>> No other driver protects this method in this way, please don't do
>>> this.
>>>
>>
>> I will move the ifdef's to .h files and resubmit.
>
> I meant, at all.
>

You do not like the idea of #ifdef around .get_rxnfc (including moving it to
.h file) or the idea of displaying filters added by RFS?

I am actually considering moving driver filter structures out of
#ifdef CONFIG_RFS_ACCEL, and make it available always. This will allow us to
define .get_rxnfc without any #ifdefs.

This change is anyway needed when I implement .set_rxnfc to added user entered
filters.

This it fine with you?

Thanks
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