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From: Paolo Abeni <pabeni@redhat.com>
To: chia-yu.chang@nokia-bell-labs.com, edumazet@google.com,
	linux-doc@vger.kernel.org, corbet@lwn.net, horms@kernel.org,
	dsahern@kernel.org, kuniyu@amazon.com, bpf@vger.kernel.org,
	netdev@vger.kernel.org, dave.taht@gmail.com, jhs@mojatatu.com,
	kuba@kernel.org, stephen@networkplumber.org,
	xiyou.wangcong@gmail.com, jiri@resnulli.us, davem@davemloft.net,
	andrew+netdev@lunn.ch, donald.hunter@gmail.com, ast@fiberby.net,
	liuhangbin@gmail.com, shuah@kernel.org,
	linux-kselftest@vger.kernel.org, ij@kernel.org,
	ncardwell@google.com, koen.de_schepper@nokia-bell-labs.com,
	g.white@cablelabs.com, ingemar.s.johansson@ericsson.com,
	mirja.kuehlewind@ericsson.com, cheshire@apple.com,
	rs.ietf@gmx.at, Jason_Livingood@comcast.com,
	vidhi_goel@apple.com
Subject: Re: [PATCH v12 net-next 08/15] tcp: accecn: add AccECN rx byte counters
Date: Mon, 14 Jul 2025 15:30:22 +0200	[thread overview]
Message-ID: <dcf822ea-9dd1-47f5-8b2f-9c98013b1499@redhat.com> (raw)
In-Reply-To: <20250704085345.46530-9-chia-yu.chang@nokia-bell-labs.com>

n 7/4/25 10:53 AM, chia-yu.chang@nokia-bell-labs.com wrote:
> diff --git a/include/net/tcp.h b/include/net/tcp.h
> index 61b103633da4..0d8e1a676dad 100644
> --- a/include/net/tcp.h
> +++ b/include/net/tcp.h
> @@ -971,6 +971,9 @@ static inline u32 tcp_rsk_tsval(const struct tcp_request_sock *treq)
>   * See draft-ietf-tcpm-accurate-ecn for the latest values.
>   */
>  #define TCP_ACCECN_CEP_INIT_OFFSET 5
> +#define TCP_ACCECN_E1B_INIT_OFFSET 1
> +#define TCP_ACCECN_E0B_INIT_OFFSET 1
> +#define TCP_ACCECN_CEB_INIT_OFFSET 0

It looks like the definitions above are not used in this patch. I
suggest moving the definition in 'tcp: accecn: AccECN option'

Otherwise the code LGTM, but I still have some doubts WRT the
significant increase of the hotpath data.

/P



  reply	other threads:[~2025-07-14 13:30 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-04  8:53 [PATCH v12 net-next 00/15] AccECN protocol patch series chia-yu.chang
2025-07-04  8:53 ` [PATCH v12 net-next 01/15] tcp: reorganize SYN ECN code chia-yu.chang
2025-07-04  8:53 ` [PATCH v12 net-next 02/15] tcp: fast path functions later chia-yu.chang
2025-07-04  8:53 ` [PATCH v12 net-next 03/15] tcp: reorganize tcp_sock_write_txrx group for variables later chia-yu.chang
2025-07-04  8:53 ` [PATCH v12 net-next 04/15] tcp: ecn functions in separated include file chia-yu.chang
2025-07-14 11:20   ` Paolo Abeni
2025-07-04  8:53 ` [PATCH v12 net-next 05/15] tcp: AccECN core chia-yu.chang
2025-07-04  8:53 ` [PATCH v12 net-next 06/15] tcp: accecn: AccECN negotiation chia-yu.chang
2025-07-14 13:10   ` Paolo Abeni
2025-07-04  8:53 ` [PATCH v12 net-next 07/15] tcp: Add wait_third_ack for ECN negotiation in simultaneous connect chia-yu.chang
2025-07-14 13:22   ` Paolo Abeni
2025-07-04  8:53 ` [PATCH v12 net-next 08/15] tcp: accecn: add AccECN rx byte counters chia-yu.chang
2025-07-14 13:30   ` Paolo Abeni [this message]
2025-07-04  8:53 ` [PATCH v12 net-next 09/15] tcp: accecn: AccECN needs to know delivered bytes chia-yu.chang
2025-07-14 13:33   ` Paolo Abeni
2025-07-15  9:08     ` Chia-Yu Chang (Nokia)
2025-07-04  8:53 ` [PATCH v12 net-next 10/15] tcp: sack option handling improvements chia-yu.chang
2025-07-04  8:53 ` [PATCH v12 net-next 11/15] tcp: accecn: AccECN option chia-yu.chang
2025-07-14 14:32   ` Paolo Abeni
2025-07-15 14:49     ` Chia-Yu Chang (Nokia)
2025-07-16  8:29       ` Paolo Abeni
2025-07-04  8:53 ` [PATCH v12 net-next 12/15] tcp: accecn: AccECN option send control chia-yu.chang
2025-07-14 14:54   ` Paolo Abeni
2025-07-15 15:14     ` Chia-Yu Chang (Nokia)
2025-07-16  8:33       ` Paolo Abeni
2025-07-14 15:12   ` Paolo Abeni
2025-07-04  8:53 ` [PATCH v12 net-next 13/15] tcp: accecn: AccECN option failure handling chia-yu.chang
2025-07-14 15:00   ` Paolo Abeni
2025-07-04  8:53 ` [PATCH v12 net-next 14/15] tcp: accecn: AccECN option ceb/cep and ACE field multi-wrap heuristics chia-yu.chang
2025-07-14 15:03   ` Paolo Abeni
2025-07-04  8:53 ` [PATCH v12 net-next 15/15] tcp: accecn: try to fit AccECN option with SACK chia-yu.chang

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