netdev - RE: [PATCH bpf-next 1/3] xsk: add launch time support to XDP Tx metadata

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Date: Sun, 3 Dec 2023 08:58:05 +0000
From: "Song, Yoong Siang" <yoong.siang.song@...el.com>
To: Jakub Kicinski <kuba@...nel.org>
CC: "David S . Miller" <davem@...emloft.net>, Eric Dumazet
	<edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Jonathan Corbet
	<corbet@....net>, Bjorn Topel <bjorn@...nel.org>, "Karlsson, Magnus"
	<magnus.karlsson@...el.com>, "Fijalkowski, Maciej"
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	Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>,
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 KaFai Lau" <martin.lau@...ux.dev>, Song Liu <song@...nel.org>, Yonghong Song
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	<shuah@...nel.org>, Alexandre Torgue <alexandre.torgue@...s.st.com>, "Jose
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	<linux-arm-kernel@...ts.infradead.org>, "linux-kselftest@...r.kernel.org"
	<linux-kselftest@...r.kernel.org>
Subject: RE: [PATCH bpf-next 1/3] xsk: add launch time support to XDP Tx
 metadata

On Saturday, December 2, 2023 11:29 AM, Jakub Kicinski wrote:
>On Fri,  1 Dec 2023 00:20:26 +0800 Song Yoong Siang wrote:
>> +        name: launch-time
>> +        doc:
>> +          HW Time-Based Scheduling (TBS) is supported by the driver.
>
>Does this mean fifo "gating" or HW can do reordering?

Yes, HW will do reordering according to the value of launch time.