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: <ZrX0--lPBusR_aKE@nanopsycho.orion>
Date: Fri, 9 Aug 2024 12:52:43 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: Paul Menzel <pmenzel@...gen.mpg.de>
Cc: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>,
	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

Fri, Aug 09, 2024 at 07:18:38AM CEST, pmenzel@...gen.mpg.de wrote:
>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?

Why? The user is passing the value. Does not make any sense.

>
>> > > +		return -EINVAL;
>> > > +	}
>> > > +
>> > > +	return 0;
>> > > +}
>
>[…]
>
>
>Kind regards,
>
>Paul