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

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Date: Fri, 1 Dec 2023 19:28:46 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Song Yoong Siang <yoong.siang.song@...el.com>
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>, Magnus Karlsson
 <magnus.karlsson@...el.com>, Maciej Fijalkowski
 <maciej.fijalkowski@...el.com>, Jonathan Lemon <jonathan.lemon@...il.com>,
 Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann
 <daniel@...earbox.net>, Jesper Dangaard Brouer <hawk@...nel.org>, John
 Fastabend <john.fastabend@...il.com>, Stanislav Fomichev <sdf@...gle.com>,
 Lorenzo Bianconi <lorenzo@...nel.org>, Tariq Toukan <tariqt@...dia.com>,
 Willem de Bruijn <willemb@...gle.com>, Maxime Coquelin
 <mcoquelin.stm32@...il.com>, Andrii Nakryiko <andrii@...nel.org>, Mykola
 Lysenko <mykolal@...com>, Martin KaFai Lau <martin.lau@...ux.dev>, Song Liu
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 <kpsingh@...nel.org>, Hao Luo <haoluo@...gle.com>, Jiri Olsa
 <jolsa@...nel.org>, Shuah Khan <shuah@...nel.org>, Alexandre Torgue
 <alexandre.torgue@...s.st.com>, Jose Abreu <joabreu@...opsys.com>,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-doc@...r.kernel.org, bpf@...r.kernel.org, xdp-hints@...-project.net,
 linux-stm32@...md-mailman.stormreply.com,
 linux-arm-kernel@...ts.infradead.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH bpf-next 1/3] xsk: add launch time support to XDP Tx
 metadata

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?