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From: Kurt Kanzenbach <kurt@linutronix.de>
To: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Cc: intel-wired-lan@lists.osuosl.org, bpf@vger.kernel.org,
	netdev@vger.kernel.org,
	"Jesse Brandeburg" <jesse.brandeburg@intel.com>,
	"Tony Nguyen" <anthony.l.nguyen@intel.com>,
	"David S . Miller" <davem@davemloft.net>,
	"Eric Dumazet" <edumazet@google.com>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Paolo Abeni" <pabeni@redhat.com>,
	"Alexei Starovoitov" <ast@kernel.org>,
	"Daniel Borkmann" <daniel@iogearbox.net>,
	"Jesper Dangaard Brouer" <hawk@kernel.org>,
	"John Fastabend" <john.fastabend@gmail.com>,
	"Björn Töpel" <bjorn@kernel.org>,
	"Magnus Karlsson" <magnus.karlsson@intel.com>,
	"Maciej Fijalkowski" <maciej.fijalkowski@intel.com>,
	"Jonathan Lemon" <jonathan.lemon@gmail.com>,
	"Sriram Yagnaraman" <sriram.yagnaraman@est.tech>
Subject: Re: [PATCH iwl-next v4 0/4] igb: Add support for AF_XDP zero-copy
Date: Thu, 27 Jun 2024 09:07:55 +0200	[thread overview]
Message-ID: <878qyq9838.fsf@kurt.kurt.home> (raw)
In-Reply-To: <20230804084051.14194-1-sriram.yagnaraman@est.tech>

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Hi Sriram,

On Fri Aug 04 2023, Sriram Yagnaraman wrote:
> The first couple of patches adds helper funcctions to prepare for AF_XDP
> zero-copy support which comes in the last couple of patches, one each
> for Rx and TX paths.
>
> As mentioned in v1 patchset [0], I don't have access to an actual IGB
> device to provide correct performance numbers. I have used Intel 82576EB
> emulator in QEMU [1] to test the changes to IGB driver.

I gave this patch series a try on a recent kernel and silicon
(i210). There was one issue in igb_xmit_zc(). But other than that it
worked very nicely.

It seems like it hasn't been merged yet. Do you have any plans for
continuing to work on this?

Thanks,
Kurt

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  parent reply	other threads:[~2024-06-27  7:07 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-04  8:40 [PATCH iwl-next v4 0/4] igb: Add support for AF_XDP zero-copy Sriram Yagnaraman
2023-08-04  8:40 ` [PATCH iwl-next v4 1/4] igb: prepare for AF_XDP zero-copy support Sriram Yagnaraman
2023-08-04  8:40 ` [PATCH iwl-next v4 2/4] igb: Introduce XSK data structures and helpers Sriram Yagnaraman
2023-08-04  8:40 ` [PATCH iwl-next v4 3/4] igb: add AF_XDP zero-copy Rx support Sriram Yagnaraman
2023-08-05 14:54   ` [Intel-wired-lan] " kernel test robot
2023-08-04  8:40 ` [PATCH iwl-next v4 4/4] igb: add AF_XDP zero-copy Tx support Sriram Yagnaraman
2024-06-27  7:07 ` Kurt Kanzenbach [this message]
2024-06-27 16:49   ` [Intel-wired-lan] [PATCH iwl-next v4 0/4] igb: Add support for AF_XDP zero-copy Benjamin Steinke
2024-06-27 17:18     ` Kurt Kanzenbach
2024-07-05 21:22       ` Sriram Yagnaraman
2024-07-08  6:51         ` Kurt Kanzenbach
2024-07-15 11:34       ` Benjamin Steinke

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