netdev - Re: [Intel-wired-lan] [iwl-next v3 1/8] ice: devlink PF MSI-X max and min parameter

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Message-ID: <3975b135-25ae-4576-ba61-db0f51fcf987@molgen.mpg.de>
Date: Fri, 9 Aug 2024 07:30:16 +0200
From: Paul Menzel <pmenzel@...gen.mpg.de>
To: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>,
 Jiri Pirko <jiri@...nulli.us>
Cc: wojciech.drewek@...el.com, marcin.szycik@...el.com,
 netdev@...r.kernel.org, konrad.knitter@...el.com,
 pawel.chmielewski@...el.com, intel-wired-lan@...ts.osuosl.org,
 pio.raczynski@...il.com, sridhar.samudrala@...el.com,
 jacob.e.keller@...el.com, przemyslaw.kitszel@...el.com
Subject: Re: [Intel-wired-lan] [iwl-next v3 1/8] ice: devlink PF MSI-X max and
 min parameter

[Cc: -nex.sw.ncis.nat.hpm.dev@...el.com (550 #5.1.0 Address rejected.)]

Am 09.08.24 um 07:18 schrieb Paul Menzel:
> Dear Michal,
> 
> 
> Thank you for your patch.
> 
> Am 09.08.24 um 07:13 schrieb Michal Swiatkowski:
>> On Thu, Aug 08, 2024 at 05:34:35PM +0200, Jiri Pirko wrote:
>>> Thu, Aug 08, 2024 at 09:20:09AM CEST, 
>>> michal.swiatkowski@...ux.intel.com wrote:
>>>> Use generic devlink PF MSI-X parameter to allow user to change MSI-X
>>>> range.
>>>>
>>>> Reviewed-by: Wojciech Drewek <wojciech.drewek@...el.com>
>>>> Signed-off-by: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
>>>> ---
>>>> .../net/ethernet/intel/ice/devlink/devlink.c  | 56 ++++++++++++++++++-
>>>> drivers/net/ethernet/intel/ice/ice.h          |  8 +++
>>>> drivers/net/ethernet/intel/ice/ice_irq.c      | 14 ++++-
>>>> 3 files changed, 76 insertions(+), 2 deletions(-)
>>>>
>>>> diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink.c b/ 
>>>> drivers/net/ethernet/intel/ice/devlink/devlink.c
>>>> index 29a5f822cb8b..bdc22ea13e0f 100644
>>>> --- a/drivers/net/ethernet/intel/ice/devlink/devlink.c
>>>> +++ b/drivers/net/ethernet/intel/ice/devlink/devlink.c
>>>> @@ -1518,6 +1518,32 @@ static int 
>>>> ice_devlink_local_fwd_validate(struct devlink *devlink, u32 id,
>>>>     return 0;
>>>> }
>>>>
>>>> +static int
>>>> +ice_devlink_msix_max_pf_validate(struct devlink *devlink, u32 id,
>>>> +                 union devlink_param_value val,
>>>> +                 struct netlink_ext_ack *extack)
>>>> +{
>>>> +    if (val.vu16 > ICE_MAX_MSIX) {
>>>> +        NL_SET_ERR_MSG_MOD(extack, "PF max MSI-X is too high");
>>>
>>> No reason to have "PF" in the text. Also, no reason to have "max MSI-X".
>>> That is the name of the param.
>>
>> Ok, will change both, thanks.
> 
> Maybe also print both values in the error message?
> 
>>>> +        return -EINVAL;
>>>> +    }
>>>> +
>>>> +    return 0;
>>>> +}
> 
> […]
> 
> 
> Kind regards,
> 
> Paul