linux-kernel - RE: [Intel-wired-lan] [PATCH iwl-next v2 1/5] libeth: pass Rx queue index to PP when creating a fill queue

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Message-ID: <LV1PR11MB8790C75AB895620BC6192B619066A@LV1PR11MB8790.namprd11.prod.outlook.com>
Date: Fri, 6 Feb 2026 16:34:13 +0000
From: "Nowlin, Alexander" <alexander.nowlin@...el.com>
To: "Lobakin, Aleksander" <aleksander.lobakin@...el.com>,
	"intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC: "Lobakin, Aleksander" <aleksander.lobakin@...el.com>, "Nguyen, Anthony L"
	<anthony.l.nguyen@...el.com>, "Kitszel, Przemyslaw"
	<przemyslaw.kitszel@...el.com>, Andrew Lunn <andrew+netdev@...n.ch>, "David
 S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, "Jakub
 Kicinski" <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Simon Horman
	<horms@...nel.org>, "Keller, Jacob E" <jacob.e.keller@...el.com>, "Loktionov,
 Aleksandr" <aleksandr.loktionov@...el.com>, NXNE CNSE OSDT ITP Upstreaming
	<nxne.cnse.osdt.itp.upstreaming@...el.com>, "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
Subject: RE: [Intel-wired-lan] [PATCH iwl-next v2 1/5] libeth: pass Rx queue
 index to PP when creating a fill queue

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of Alexander Lobakin
> Sent: Thursday, December 4, 2025 7:51 AM
> To: intel-wired-lan@...ts.osuosl.org
> Cc: Lobakin, Aleksander <aleksander.lobakin@...el.com>; Nguyen, Anthony L <anthony.l.nguyen@...el.com>; Kitszel, Przemyslaw <przemyslaw.kitszel@...el.com>; Andrew Lunn <andrew+netdev@...n.ch>; 
> David S. Miller <davem@...emloft.net>; Eric Dumazet <edumazet@...gle.com>; Jakub Kicinski <kuba@...nel.org>; Paolo Abeni <pabeni@...hat.com>; Simon Horman <horms@...nel.org>; Keller, Jacob E 
> <jacob.e.keller@...el.com>; Loktionov, Aleksandr <aleksandr.loktionov@...el.com>; NXNE CNSE OSDT ITP Upstreaming <nxne.cnse.osdt.itp.upstreaming@...el.com>; netdev@...r.kernel.org; linux-
> kernel@...r.kernel.org
> Subject: [Intel-wired-lan] [PATCH iwl-next v2 1/5] libeth: pass Rx queue index to PP when creating a fill queue
> 
> Since recently, page_pool_create() accepts optional stack index of the Rx queue which the pool will be created for. It can then be used on control path for stuff like memory providers.
> Add the same field to libeth_fq and pass the index from all the drivers using libeth for managing Rx to simplify implementing MP support later.
> idpf has one libeth_fq per buffer/fill queue and each Rx queue has two fill queues, but since fill queues can never be shared, we can store the corresponding Rx queue index there during the initialization to pass > it to libeth.
> 
> Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>
> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@...el.com>
> Signed-off-by: Alexander Lobakin <aleksander.lobakin@...el.com>
> ---
>  drivers/net/ethernet/intel/idpf/idpf_txrx.h |  2 ++
>  include/net/libeth/rx.h                     |  2 ++
>  drivers/net/ethernet/intel/iavf/iavf_txrx.c |  1 +
>  drivers/net/ethernet/intel/ice/ice_base.c   |  2 ++
>  drivers/net/ethernet/intel/idpf/idpf_txrx.c | 13 +++++++++++++
>  drivers/net/ethernet/intel/libeth/rx.c      |  1 +
>  6 files changed, 21 insertions(+)

Tested-by: Alexander Nowlin <alexander.nowlin@...el.com>