From: Jesper Dangaard Brouer <hawk@kernel.org>
To: Song Yoong Siang <yoong.siang.song@intel.com>,
"David S . Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Jonathan Corbet <corbet@lwn.net>, Bjorn Topel <bjorn@kernel.org>,
Magnus Karlsson <magnus.karlsson@intel.com>,
Maciej Fijalkowski <maciej.fijalkowski@intel.com>,
Jonathan Lemon <jonathan.lemon@gmail.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
John Fastabend <john.fastabend@gmail.com>,
Stanislav Fomichev <sdf@google.com>,
Lorenzo Bianconi <lorenzo@kernel.org>,
Tariq Toukan <tariqt@nvidia.com>,
Willem de Bruijn <willemb@google.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Andrii Nakryiko <andrii@kernel.org>,
Mykola Lysenko <mykolal@fb.com>,
Martin KaFai Lau <martin.lau@linux.dev>,
Song Liu <song@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
KP Singh <kpsingh@kernel.org>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>, Shuah Khan <shuah@kernel.org>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
Jose Abreu <joabreu@synopsys.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-doc@vger.kernel.org, bpf@vger.kernel.org,
xdp-hints@xdp-project.net,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org,
linux-kselftest@vger.kernel.org
Subject: [xdp-hints] Re: [PATCH bpf-next v2 0/3] xsk: TX metadata txtime support
Date: Fri, 1 Dec 2023 11:46:20 +0100 [thread overview]
Message-ID: <d4f99931-442c-4cd7-b3cf-80d8681a2986@kernel.org> (raw)
In-Reply-To: <20231201062421.1074768-1-yoong.siang.song@intel.com>
On 12/1/23 07:24, Song Yoong Siang wrote:
> This series expands XDP TX metadata framework to include ETF HW offload.
>
> Changes since v1:
> - rename Time-Based Scheduling (TBS) to Earliest TxTime First (ETF)
> - rename launch-time to txtime
>
I strongly disagree with this renaming (sorry to disagree with Willem).
The i210 and i225 chips call this LaunchTime in their programmers
datasheets, and even in the driver code[1].
Using this "txtime" name in the code is also confusing, because how can
people reading the code know the difference between:
- tmo_request_timestamp and tmo_request_txtime
[1]
https://github.com/xdp-project/xdp-project/blob/master/areas/tsn/code01_follow_qdisc_TSN_offload.org
> v1: https://patchwork.kernel.org/project/netdevbpf/cover/20231130162028.852006-1-yoong.siang.song@intel.com/
>
> Song Yoong Siang (3):
> xsk: add ETF support to XDP Tx metadata
> net: stmmac: Add txtime support to XDP ZC
> selftests/bpf: Add txtime to xdp_hw_metadata
>
> Documentation/netlink/specs/netdev.yaml | 4 ++++
> Documentation/networking/xsk-tx-metadata.rst | 5 +++++
> drivers/net/ethernet/stmicro/stmmac/stmmac.h | 2 ++
> .../net/ethernet/stmicro/stmmac/stmmac_main.c | 13 +++++++++++++
> include/net/xdp_sock.h | 9 +++++++++
> include/net/xdp_sock_drv.h | 1 +
> include/uapi/linux/if_xdp.h | 9 +++++++++
> include/uapi/linux/netdev.h | 3 +++
> net/core/netdev-genl.c | 2 ++
> net/xdp/xsk.c | 3 +++
> tools/include/uapi/linux/if_xdp.h | 9 +++++++++
> tools/include/uapi/linux/netdev.h | 3 +++
> tools/net/ynl/generated/netdev-user.c | 1 +
> tools/testing/selftests/bpf/xdp_hw_metadata.c | 18 +++++++++++++++++-
> 14 files changed, 81 insertions(+), 1 deletion(-)
>
next prev parent reply other threads:[~2023-12-01 10:46 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-01 6:24 [xdp-hints] " Song Yoong Siang
2023-12-01 6:24 ` [xdp-hints] [PATCH bpf-next v2 1/3] xsk: add ETF support to XDP Tx metadata Song Yoong Siang
2023-12-01 6:24 ` [xdp-hints] [PATCH bpf-next v2 2/3] net: stmmac: Add txtime support to XDP ZC Song Yoong Siang
2023-12-01 15:02 ` [xdp-hints] " Jesper Dangaard Brouer
2023-12-01 15:26 ` Willem de Bruijn
2023-12-03 10:11 ` Song, Yoong Siang
2023-12-04 14:57 ` Willem de Bruijn
2023-12-05 14:43 ` Song, Yoong Siang
2023-12-05 14:55 ` Willem de Bruijn
2023-12-05 15:28 ` Song, Yoong Siang
2023-12-01 6:24 ` [xdp-hints] [PATCH bpf-next v2 3/3] selftests/bpf: Add txtime to xdp_hw_metadata Song Yoong Siang
2023-12-01 10:46 ` Jesper Dangaard Brouer [this message]
2023-12-01 13:43 ` [xdp-hints] Re: [PATCH bpf-next v2 0/3] xsk: TX metadata txtime support Song, Yoong Siang
2023-12-01 15:09 ` Willem de Bruijn
2023-12-01 15:39 ` Jesper Dangaard Brouer
2023-12-02 14:15 ` Willem de Bruijn
2023-12-03 9:16 ` Song, Yoong Siang
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