netdev - RE: [Intel-wired-lan] [PATCH iwl-next v5 13/13] idpf: add XDP RSS hash hint

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Message-ID: <DM4PR11MB6455F321BC2CCCE78B1B4E319800A@DM4PR11MB6455.namprd11.prod.outlook.com>
Date: Thu, 4 Sep 2025 16:05:55 +0000
From: "R, Ramu" <ramu.r@...el.com>
To: "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC: "Lobakin, Aleksander" <aleksander.lobakin@...el.com>, "Kubiak, Michal"
	<michal.kubiak@...el.com>, "Kubiak, Michal" <michal.kubiak@...el.com>,
	"Fijalkowski, Maciej" <maciej.fijalkowski@...el.com>, "Fijalkowski, Maciej"
	<maciej.fijalkowski@...el.com>, "Nguyen, Anthony L"
	<anthony.l.nguyen@...el.com>, "Nguyen, Anthony L"
	<anthony.l.nguyen@...el.com>, "Kitszel, Przemyslaw"
	<przemyslaw.kitszel@...el.com>, "Kitszel, Przemyslaw"
	<przemyslaw.kitszel@...el.com>, Andrew Lunn <andrew+netdev@...n.ch>, "David
 S. Miller" <davem@...emloft.net>, "edumazet@...gle.com"
	<edumazet@...gle.com>, "edumazet@...gle.com" <edumazet@...gle.com>, "Jakub
 Kicinski" <kuba@...nel.org>, "pabeni@...hat.com" <pabeni@...hat.com>, "Alexei
 Starovoitov" <ast@...nel.org>, Borkmann <daniel@...earbox.net>, Simon Horman
	<horms@...nel.org>, NXNE CNSE OSDT ITP Upstreaming
	<nxne.cnse.osdt.itp.upstreaming@...el.com>, NXNE CNSE OSDT ITP Upstreaming
	<nxne.cnse.osdt.itp.upstreaming@...el.com>, "bpf@...r.kernel.org"
	<bpf@...r.kernel.org>, "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 v5 13/13] idpf: add XDP RSS
 hash hint

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
> Alexander Lobakin
> Sent: Tuesday, August 26, 2025 9:25 PM
> To: intel-wired-lan@...ts.osuosl.org
> Cc: Lobakin, Aleksander <aleksander.lobakin@...el.com>; Kubiak, Michal
> <michal.kubiak@...el.com>; Fijalkowski, Maciej
> <maciej.fijalkowski@...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>; Alexei Starovoitov <ast@...nel.org>; Daniel
> Borkmann <daniel@...earbox.net>; Simon Horman <horms@...nel.org>;
> NXNE CNSE OSDT ITP Upstreaming
> <nxne.cnse.osdt.itp.upstreaming@...el.com>; bpf@...r.kernel.org;
> netdev@...r.kernel.org; linux-kernel@...r.kernel.org
> Subject: [Intel-wired-lan] [PATCH iwl-next v5 13/13] idpf: add XDP RSS hash
> hint
> 
> Add &xdp_metadata_ops with a callback to get RSS hash hint from the
> descriptor. Declare the splitq 32-byte descriptor as 4 u64s to parse them more
> efficiently when possible.
> 
> Signed-off-by: Alexander Lobakin <aleksander.lobakin@...el.com>
> ---
>  drivers/net/ethernet/intel/idpf/xdp.h | 64 +++++++++++++++++++++++++++
> drivers/net/ethernet/intel/idpf/xdp.c | 28 +++++++++++-
>  2 files changed, 91 insertions(+), 1 deletion(-)
> 

Tested-by: R,Ramu <ramu.r@...el.com>