netdev - Re: [Intel-wired-lan] [PATCH iwl-next 2/3] i40e: Add other helpers to check version of running firmware and AQ API

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Message-ID: <cdcd6b97-1138-4cd7-854f-b3faa1f475f8@intel.com>
Date: Tue, 24 Oct 2023 15:11:05 +0200
From: Wojciech Drewek <wojciech.drewek@...el.com>
To: Ivan Vecera <ivecera@...hat.com>, <netdev@...r.kernel.org>
CC: <intel-wired-lan@...ts.osuosl.org>, Jesse Brandeburg
	<jesse.brandeburg@...el.com>, <linux-kernel@...r.kernel.org>, Eric Dumazet
	<edumazet@...gle.com>, Tony Nguyen <anthony.l.nguyen@...el.com>, Jacob Keller
	<jacob.e.keller@...el.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
	<pabeni@...hat.com>, "David S. Miller" <davem@...emloft.net>
Subject: Re: [Intel-wired-lan] [PATCH iwl-next 2/3] i40e: Add other helpers to
 check version of running firmware and AQ API



On 24.10.2023 15:01, Ivan Vecera wrote:
> 
> 
> On 24. 10. 23 12:24, Wojciech Drewek wrote:
>> On 23.10.2023 18:29, Ivan Vecera wrote:
>>> Add another helper functions that will be used by subsequent
>>> patch to refactor existing open-coded checks whether the version
>>> of running firmware and AdminQ API is recent enough to provide
>>> certain capabilities.
>>>
>>> Signed-off-by: Ivan Vecera<ivecera@...hat.com>
>>> ---
>>>   drivers/net/ethernet/intel/i40e/i40e_type.h | 54 +++++++++++++++++++++
>>>   1 file changed, 54 insertions(+)
>>>
>>> diff --git a/drivers/net/ethernet/intel/i40e/i40e_type.h b/drivers/net/ethernet/intel/i40e/i40e_type.h
>>> index 050d479aeed3..bb62c14aa3d4 100644
>>> --- a/drivers/net/ethernet/intel/i40e/i40e_type.h
>>> +++ b/drivers/net/ethernet/intel/i40e/i40e_type.h
>>> @@ -608,6 +608,60 @@ static inline bool i40e_is_aq_api_ver_ge(struct i40e_hw *hw, u16 maj, u16 min)
>>>           (hw->aq.api_maj_ver == maj && hw->aq.api_min_ver >= min));
>>>   }
>>>   +/**
>>> + * i40e_is_aq_api_ver_lt
>>> + * @hw: pointer to i40e_hw structure
>>> + * @maj: API major value to compare
>>> + * @min: API minor value to compare
>>> + *
>>> + * Assert whether current HW API version is less than provided.
>>> + **/
>>> +static inline bool i40e_is_aq_api_ver_lt(struct i40e_hw *hw, u16 maj, u16 min)
>>> +{
>>> +    return !i40e_is_aq_api_ver_ge(hw, maj, min);
>>> +}
>> It feels a bit off to have those helpers in i40e_type.h.
>> We don't have i40e_common.h though so I'd move them to i40e_prototype.h or i40e.h.
>> Same comment regarding 1st patch (I know I gave it my tag but I spotted the issue
>> while reading the 2nd patch).
> 
> I'm sorry I already submitted v2 and helpers are present i40e_type.h.
> I would submit v3 but there is also i40e_is_vf() inline function already present in i40e_type. Would you be OK with a follow-up that would move all these inlines into i40e_prototype.h?

Sounds good

> 
> Btw i40e.h is not a good idea as this would bring a dependency on i40e.h into i40e_adminq.c, i40e_common.c and i40e_dcb.c.

Got it

> 
> Regards,
> Ivan
> 
>