linux-kernel - Re: [PATCH net] i40e: Fix I40E_FLAG_VF_VLAN

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Date:   Thu, 19 Oct 2023 15:34:15 -0700
From:   Jacob Keller <jacob.e.keller@...el.com>
To:     Ivan Vecera <ivecera@...hat.com>
CC:     Przemek Kitszel <przemyslaw.kitszel@...el.com>,
        netdev <netdev@...r.kernel.org>,
        Mateusz Palczewski <mateusz.palczewski@...el.com>,
        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>,
        "moderated list:INTEL ETHERNET DRIVERS" 
        <intel-wired-lan@...ts.osuosl.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net] i40e: Fix I40E_FLAG_VF_VLAN_PRUNING value



On 10/19/2023 12:48 PM, Ivan Vecera wrote:
> Dne čt 19. 10. 2023 21:24 uživatel Jacob Keller <jacob.e.keller@...el.com>
> napsal:
> 
>>
>>
>> On 10/18/2023 5:30 AM, Przemek Kitszel wrote:
>>> On 10/18/23 13:26, Ivan Vecera wrote:
>>>> Commit c87c938f62d8f1 ("i40e: Add VF VLAN pruning") added new
>>>> PF flag I40E_FLAG_VF_VLAN_PRUNING but its value collides with
>>>> existing I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED flag.
>>>>
>>>> Move the affected flag at the end of the flags and fix its value.
>>>>
>>>> Cc: Mateusz Palczewski <mateusz.palczewski@...el.com>
>>>> Signed-off-by: Ivan Vecera <ivecera@...hat.com>
>>>> ---
>>>>   drivers/net/ethernet/intel/i40e/i40e.h | 2 +-
>>>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>>>
>>>> diff --git a/drivers/net/ethernet/intel/i40e/i40e.h
>> b/drivers/net/ethernet/intel/i40e/i40e.h
>>>> index 6e310a53946782..55bb0b5310d5b4 100644
>>>> --- a/drivers/net/ethernet/intel/i40e/i40e.h
>>>> +++ b/drivers/net/ethernet/intel/i40e/i40e.h
>>>> @@ -580,7 +580,6 @@ struct i40e_pf {
>>>>   #define I40E_FLAG_DISABLE_FW_LLDP          BIT(24)
>>>>   #define I40E_FLAG_RS_FEC                   BIT(25)
>>>>   #define I40E_FLAG_BASE_R_FEC                       BIT(26)
>>>> -#define I40E_FLAG_VF_VLAN_PRUNING           BIT(27)
>>>>   /* TOTAL_PORT_SHUTDOWN
>>>>    * Allows to physically disable the link on the NIC's port.
>>>>    * If enabled, (after link down request from the OS)
>>>> @@ -603,6 +602,7 @@ struct i40e_pf {
>>>
>>> such mistake happened only because list of flags is dispersed so much :/
>>
>> Better yet if we didn't hard-code the bits, and instead defined them via
>> an enumeration so that its not possible :D These aren't even ABI so
>> there's not a backwards compatibility risk either.
>>
>> Thanks,
>> Jake
>>
> 
> Hi Jake,
> I have been preparing another series for iwl-next that covers this
> conversion. I will submit it tomorrow or on the weekend.
> 
> Ivan
> 

Great, thanks!

-Jake

>>
>