netdev - RE: [PATCH iwl-next v1 4/4] ice: manage VFs MSI-X using resource tracking

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Date: Thu, 23 Nov 2023 17:22:46 +0000
From: "Romanowski, Rafal" <rafal.romanowski@...el.com>
To: "Keller, Jacob E" <jacob.e.keller@...el.com>, Michal Swiatkowski
	<michal.swiatkowski@...ux.intel.com>, "intel-wired-lan@...ts.osuosl.org"
	<intel-wired-lan@...ts.osuosl.org>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "Kitszel, Przemyslaw"
	<przemyslaw.kitszel@...el.com>
Subject: RE: [PATCH iwl-next v1 4/4] ice: manage VFs MSI-X using resource
 tracking

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
> Keller, Jacob E
> Sent: Thursday, June 15, 2023 5:58 PM
> To: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>; intel-wired-
> lan@...ts.osuosl.org
> Cc: netdev@...r.kernel.org; Kitszel, Przemyslaw
> <przemyslaw.kitszel@...el.com>
> Subject: Re: [Intel-wired-lan] [PATCH iwl-next v1 4/4] ice: manage VFs MSI-X
> using resource tracking
> 
> 
> 
> > -----Original Message-----
> > From: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
> > Sent: Thursday, June 15, 2023 5:39 AM
> > To: intel-wired-lan@...ts.osuosl.org
> > Cc: netdev@...r.kernel.org; Keller, Jacob E
> > <jacob.e.keller@...el.com>; Kitszel, Przemyslaw
> > <przemyslaw.kitszel@...el.com>; Michal Swiatkowski
> > <michal.swiatkowski@...ux.intel.com>
> > Subject: [PATCH iwl-next v1 4/4] ice: manage VFs MSI-X using resource
> > tracking
> >
> > Track MSI-X for VFs using bitmap, by setting and clearing bitmap
> > during allocation and freeing.
> >
> > Try to linearize irqs usage for VFs, by freeing them and allocating
> > once again. Do it only for VFs that aren't currently running.
> >
> > Signed-off-by: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
> > Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
> > ---
> >  drivers/net/ethernet/intel/ice/ice_sriov.c | 170
> > ++++++++++++++++++---
> >  1 file changed, 151 insertions(+), 19 deletions(-)
> >
> > diff --git a/drivers/net/ethernet/intel/ice/ice_sriov.c
> > b/drivers/net/ethernet/intel/ice/ice_sriov.c
> > index e20ef1924fae..78a41163755b 100644
> > --- a/drivers/net/ethernet/intel/ice/ice_sriov.c
> > +++ b/drivers/net/ethernet/intel/ice/ice_sriov.c


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