From: Jakub Kicinski <kuba@kernel.org>
To: Alexander Lobakin <aleksander.lobakin@intel.com>
Cc: <intel-wired-lan@lists.osuosl.org>,
Michal Kubiak <michal.kubiak@intel.com>,
Maciej Fijalkowski <maciej.fijalkowski@intel.com>,
Tony Nguyen <anthony.l.nguyen@intel.com>,
Przemek Kitszel <przemyslaw.kitszel@intel.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
"Paolo Abeni" <pabeni@redhat.com>,
Alexei Starovoitov <ast@kernel.org>,
"Daniel Borkmann" <daniel@iogearbox.net>,
Simon Horman <horms@kernel.org>,
<nxne.cnse.osdt.itp.upstreaming@intel.com>, <bpf@vger.kernel.org>,
<netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH iwl-next v3 16/18] idpf: add support for XDP on Rx
Date: Tue, 5 Aug 2025 15:46:04 -0700 [thread overview]
Message-ID: <20250805154604.680bde07@kernel.org> (raw)
In-Reply-To: <a151336a-eda4-4f44-9ab5-da79e7712838@intel.com>
On Tue, 5 Aug 2025 18:09:40 +0200 Alexander Lobakin wrote:
> From: Jakub Kicinski <kuba@kernel.org>
> Date: Fri, 1 Aug 2025 15:33:43 -0700
>
> > On Wed, 30 Jul 2025 18:07:15 +0200 Alexander Lobakin wrote:
> >> Use __LIBETH_WORD_ACCESS to parse descriptors more efficiently when
> >> applicable. It really gives some good boosts and code size reduction
> >> on x86_64.
> >
> > Could you perhaps quantify the goodness of the boost with a number? :)
>
> Sure, only a matter of switching this definition and running the tests
> (and bloat-o-meter).
> Intel doesn't allow us to publish raw numbers (Gbps/Mpps), I hope the
> diff in percents (+ bloat-o-meter output) would be enough?
Yes, delta is perfect. Absolute numbers aren't very meaningful if you
don't specify all HW components and FW versions, and direction of wind
on the day, anyway :$
next prev parent reply other threads:[~2025-08-05 22:46 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-30 16:06 [PATCH iwl-next v3 00/18] idpf: add XDP support Alexander Lobakin
2025-07-30 16:07 ` [PATCH iwl-next v3 01/18] idpf: add support for Tx refillqs in flow scheduling mode Alexander Lobakin
2025-07-30 16:07 ` [PATCH iwl-next v3 02/18] idpf: improve when to set RE bit logic Alexander Lobakin
2025-07-30 16:07 ` [PATCH iwl-next v3 03/18] idpf: simplify and fix splitq Tx packet rollback error path Alexander Lobakin
2025-07-30 16:07 ` [PATCH iwl-next v3 04/18] idpf: replace flow scheduling buffer ring with buffer pool Alexander Lobakin
2025-07-30 16:07 ` [PATCH iwl-next v3 05/18] idpf: stop Tx if there are insufficient buffer resources Alexander Lobakin
2025-07-30 16:07 ` [PATCH iwl-next v3 06/18] idpf: remove obsolete stashing code Alexander Lobakin
2025-07-30 16:07 ` [PATCH iwl-next v3 07/18] idpf: fix Rx descriptor ready check barrier in splitq Alexander Lobakin
2025-07-30 16:07 ` [PATCH iwl-next v3 08/18] idpf: use a saner limit for default number of queues to allocate Alexander Lobakin
2025-07-30 16:07 ` [PATCH iwl-next v3 09/18] idpf: link NAPIs to queues Alexander Lobakin
2025-07-30 16:07 ` [PATCH iwl-next v3 10/18] idpf: add 4-byte completion descriptor definition Alexander Lobakin
2025-07-30 16:07 ` [PATCH iwl-next v3 11/18] idpf: remove SW marker handling from NAPI Alexander Lobakin
2025-07-30 16:07 ` [PATCH iwl-next v3 12/18] idpf: add support for nointerrupt queues Alexander Lobakin
2025-07-30 16:07 ` [PATCH iwl-next v3 13/18] idpf: prepare structures to support XDP Alexander Lobakin
2025-08-01 22:30 ` Jakub Kicinski
2025-08-05 16:06 ` Alexander Lobakin
2025-07-30 16:07 ` [PATCH iwl-next v3 14/18] idpf: implement XDP_SETUP_PROG in ndo_bpf for splitq Alexander Lobakin
2025-07-30 16:07 ` [PATCH iwl-next v3 15/18] idpf: use generic functions to build xdp_buff and skb Alexander Lobakin
2025-07-30 16:07 ` [PATCH iwl-next v3 16/18] idpf: add support for XDP on Rx Alexander Lobakin
2025-07-31 12:37 ` Simon Horman
2025-07-31 17:05 ` Kees Cook
2025-08-01 13:12 ` Alexander Lobakin
2025-08-01 13:17 ` Alexander Lobakin
2025-08-02 18:52 ` Kees Cook
2025-08-05 9:40 ` Simon Horman
2025-07-31 13:35 ` Simon Horman
2025-08-01 13:11 ` Alexander Lobakin
2025-08-01 22:33 ` Jakub Kicinski
2025-08-05 16:09 ` Alexander Lobakin
2025-08-05 22:46 ` Jakub Kicinski [this message]
2025-07-30 16:07 ` [PATCH iwl-next v3 17/18] idpf: add support for .ndo_xdp_xmit() Alexander Lobakin
2025-07-30 16:07 ` [PATCH iwl-next v3 18/18] idpf: add XDP RSS hash hint Alexander Lobakin
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