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From: "Song, Yoong Siang" <yoong.siang.song@intel.com>
To: Jesper Dangaard Brouer <hawk@kernel.org>,
	"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>,
	"Karlsson, Magnus" <magnus.karlsson@intel.com>,
	"Fijalkowski, Maciej" <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" <netdev@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
	"bpf@vger.kernel.org" <bpf@vger.kernel.org>,
	"xdp-hints@xdp-project.net" <xdp-hints@xdp-project.net>,
	"linux-stm32@st-md-mailman.stormreply.com"
	<linux-stm32@st-md-mailman.stormreply.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kselftest@vger.kernel.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 13:43:07 +0000	[thread overview]
Message-ID: <PH0PR11MB58306C2E50009A6E22F9DAD3D881A@PH0PR11MB5830.namprd11.prod.outlook.com> (raw)
In-Reply-To: <d4f99931-442c-4cd7-b3cf-80d8681a2986@kernel.org>

On Friday, December 1, 2023 6:46 PM, Jesper Dangaard Brouer <hawk@kernel.org> wrote:
>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
>

Hi Jesper and Willem,

How about using "launch_time" for the flag/variable and
"Earliest TxTime First" for the description/comments?  

Thanks & Regards
Siang

>
>[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(-)
>>

  reply	other threads:[~2023-12-01 13:43 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 ` [xdp-hints] Re: [PATCH bpf-next v2 0/3] xsk: TX metadata txtime support Jesper Dangaard Brouer
2023-12-01 13:43   ` Song, Yoong Siang [this message]
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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