netdev - RE: [Intel-wired-lan] [PATCH iwl-net 8/8] i40e: improve VF MAC filters accounting

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Message-ID: <IA3PR11MB8985E8CC26FD6E4099CFB0058F16A@IA3PR11MB8985.namprd11.prod.outlook.com>
Date: Thu, 18 Sep 2025 09:04:42 +0000
From: "Romanowski, Rafal" <rafal.romanowski@...el.com>
To: Simon Horman <horms@...nel.org>, "Kitszel, Przemyslaw"
	<przemyslaw.kitszel@...el.com>
CC: "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>,
	"Nguyen, Anthony L" <anthony.l.nguyen@...el.com>, "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>, Greg KH <gregkh@...uxfoundation.org>, "Kyle,
 Jeremiah" <jeremiah.kyle@...el.com>, "Pepiak, Leszek"
	<leszek.pepiak@...el.com>, "Czapnik, Lukasz" <lukasz.czapnik@...el.com>,
	"Loktionov, Aleksandr" <aleksandr.loktionov@...el.com>
Subject: RE: [Intel-wired-lan] [PATCH iwl-net 8/8] i40e: improve VF MAC
 filters accounting

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
> Simon Horman
> Sent: Tuesday, August 26, 2025 6:37 PM
> To: Kitszel, Przemyslaw <przemyslaw.kitszel@...el.com>
> Cc: intel-wired-lan@...ts.osuosl.org; Nguyen, Anthony L
> <anthony.l.nguyen@...el.com>; netdev@...r.kernel.org; Greg KH
> <gregkh@...uxfoundation.org>; Kyle, Jeremiah <jeremiah.kyle@...el.com>;
> Pepiak, Leszek <leszek.pepiak@...el.com>; Czapnik, Lukasz
> <lukasz.czapnik@...el.com>; Loktionov, Aleksandr
> <aleksandr.loktionov@...el.com>
> Subject: Re: [Intel-wired-lan] [PATCH iwl-net 8/8] i40e: improve VF MAC filters
> accounting
> 
> On Wed, Aug 13, 2025 at 12:45:18PM +0200, Przemek Kitszel wrote:
> > From: Lukasz Czapnik <lukasz.czapnik@...el.com>
> >
> > When adding new VM MAC, driver checks only *active* filters in
> > vsi->mac_filter_hash. Each MAC, even in non-active state is using resources.
> >
> > To determine number of MACs VM uses, count VSI filters in *any* state.
> >
> > Add i40e_count_all_filters() to simply count all filters, and rename
> > i40e_count_filters() to i40e_count_active_filters() to avoid ambiguity.
> >
> > Fixes: cfb1d572c986 ("i40e: Add ensurance of MacVlan resources for every
> trusted VF")
> > Cc: stable@...r.kernel.org
> > Signed-off-by: Lukasz Czapnik <lukasz.czapnik@...el.com>
> > Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@...el.com>
> > Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
> 
> Reviewed-by: Simon Horman <horms@...nel.org>


Tested-by: Rafal Romanowski <rafal.romanowski@...el.com>