linux-kernel - Re: [PATCH iwl-next 1/2] i40e: Remove VF MAC types

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Date:   Wed, 25 Oct 2023 14:16:39 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     Wojciech Drewek <wojciech.drewek@...el.com>
Cc:     Ivan Vecera <ivecera@...hat.com>, netdev@...r.kernel.org,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        intel-wired-lan@...ts.osuosl.org, linux-kernel@...r.kernel.org,
        Jacob Keller <jacob.e.keller@...el.com>
Subject: Re: [PATCH iwl-next 1/2] i40e: Remove VF MAC types

Wed, Oct 25, 2023 at 12:48:37PM CEST, wojciech.drewek@...el.com wrote:
>
>
>On 25.10.2023 12:33, Ivan Vecera wrote:
>> The i40e_hw.mac.type cannot to be equal to I40E_MAC_VF or
>> I40E_MAC_X722_VF so remove helper i40e_is_vf(), simplify
>> i40e_adminq_init_regs() and remove enums for these VF MAC types.
>> 
>> Signed-off-by: Ivan Vecera <ivecera@...hat.com>
>> ---
>>  drivers/net/ethernet/intel/i40e/i40e_adminq.c | 33 ++++++-------------
>>  drivers/net/ethernet/intel/i40e/i40e_type.h   |  8 -----
>>  2 files changed, 10 insertions(+), 31 deletions(-)
>> 
>> diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.c b/drivers/net/ethernet/intel/i40e/i40e_adminq.c
>> index 29fc46abf690..896c43905309 100644
>> --- a/drivers/net/ethernet/intel/i40e/i40e_adminq.c
>> +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.c
>> @@ -17,29 +17,16 @@ static void i40e_resume_aq(struct i40e_hw *hw);
>>  static void i40e_adminq_init_regs(struct i40e_hw *hw)
>>  {
>>  	/* set head and tail registers in our local struct */
>> -	if (i40e_is_vf(hw)) {
>> -		hw->aq.asq.tail = I40E_VF_ATQT1;
>> -		hw->aq.asq.head = I40E_VF_ATQH1;
>> -		hw->aq.asq.len  = I40E_VF_ATQLEN1;
>> -		hw->aq.asq.bal  = I40E_VF_ATQBAL1;
>> -		hw->aq.asq.bah  = I40E_VF_ATQBAH1;
>> -		hw->aq.arq.tail = I40E_VF_ARQT1;
>> -		hw->aq.arq.head = I40E_VF_ARQH1;
>> -		hw->aq.arq.len  = I40E_VF_ARQLEN1;
>> -		hw->aq.arq.bal  = I40E_VF_ARQBAL1;
>> -		hw->aq.arq.bah  = I40E_VF_ARQBAH1;
>
>What about removing those I40E_VF_* defines?
>This is their only usage here, right?

Wait, do you suggest to use the values directly? That would be
wild even for i40e :)


>
>> -	} else {
>> -		hw->aq.asq.tail = I40E_PF_ATQT;
>> -		hw->aq.asq.head = I40E_PF_ATQH;
>> -		hw->aq.asq.len  = I40E_PF_ATQLEN;
>> -		hw->aq.asq.bal  = I40E_PF_ATQBAL;
>> -		hw->aq.asq.bah  = I40E_PF_ATQBAH;
>> -		hw->aq.arq.tail = I40E_PF_ARQT;
>> -		hw->aq.arq.head = I40E_PF_ARQH;
>> -		hw->aq.arq.len  = I40E_PF_ARQLEN;
>> -		hw->aq.arq.bal  = I40E_PF_ARQBAL;
>> -		hw->aq.arq.bah  = I40E_PF_ARQBAH;
>> -	}
>> +	hw->aq.asq.tail = I40E_PF_ATQT;
>> +	hw->aq.asq.head = I40E_PF_ATQH;
>> +	hw->aq.asq.len  = I40E_PF_ATQLEN;
>> +	hw->aq.asq.bal  = I40E_PF_ATQBAL;
>> +	hw->aq.asq.bah  = I40E_PF_ATQBAH;
>> +	hw->aq.arq.tail = I40E_PF_ARQT;
>> +	hw->aq.arq.head = I40E_PF_ARQH;
>> +	hw->aq.arq.len  = I40E_PF_ARQLEN;
>> +	hw->aq.arq.bal  = I40E_PF_ARQBAL;
>> +	hw->aq.arq.bah  = I40E_PF_ARQBAH;
>>  }
>>  
>>  /**
>> diff --git a/drivers/net/ethernet/intel/i40e/i40e_type.h b/drivers/net/ethernet/intel/i40e/i40e_type.h
>> index 9fda0cb6bdbe..7eaf8b013125 100644
>> --- a/drivers/net/ethernet/intel/i40e/i40e_type.h
>> +++ b/drivers/net/ethernet/intel/i40e/i40e_type.h
>> @@ -64,9 +64,7 @@ typedef void (*I40E_ADMINQ_CALLBACK)(struct i40e_hw *, struct i40e_aq_desc *);
>>  enum i40e_mac_type {
>>  	I40E_MAC_UNKNOWN = 0,
>>  	I40E_MAC_XL710,
>> -	I40E_MAC_VF,
>>  	I40E_MAC_X722,
>> -	I40E_MAC_X722_VF,
>>  	I40E_MAC_GENERIC,
>>  };
>>  
>> @@ -588,12 +586,6 @@ struct i40e_hw {
>>  	char err_str[16];
>>  };
>>  
>> -static inline bool i40e_is_vf(struct i40e_hw *hw)
>> -{
>> -	return (hw->mac.type == I40E_MAC_VF ||
>> -		hw->mac.type == I40E_MAC_X722_VF);
>> -}
>> -
>>  /**
>>   * i40e_is_aq_api_ver_ge
>>   * @hw: pointer to i40e_hw structure
>