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: <08fbb337-d2f1-47a7-871e-3890b34a782f@molgen.mpg.de>
Date: Fri, 9 Aug 2024 07:18:38 +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,
 nex.sw.ncis.nat.hpm.dev@...el.com, 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

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