netdev - [PATCH v8 iproute2-next 0/1] DUALPI2 iproute2 patch

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Message-Id: <20250509214706.37291-1-chia-yu.chang@nokia-bell-labs.com>
Date: Fri,  9 May 2025 23:47:05 +0200
From: chia-yu.chang@...ia-bell-labs.com
To: alok.a.tiwari@...cle.com, donald.hunter@...il.com, xandfury@...il.com,
        netdev@...r.kernel.org, dave.taht@...il.com, pabeni@...hat.com,
        jhs@...atatu.com, kuba@...nel.org, stephen@...workplumber.org,
        xiyou.wangcong@...il.com, jiri@...nulli.us, davem@...emloft.net,
        edumazet@...gle.com, horms@...nel.org, andrew+netdev@...n.ch,
        ast@...erby.net, liuhangbin@...il.com, shuah@...nel.org,
        linux-kselftest@...r.kernel.org, ij@...nel.org, ncardwell@...gle.com,
        koen.de_schepper@...ia-bell-labs.com, g.white@...lelabs.com,
        ingemar.s.johansson@...csson.com, mirja.kuehlewind@...csson.com,
        cheshire@...le.com, rs.ietf@....at, Jason_Livingood@...cast.com,
        vidhi_goel@...le.com
Cc: Chia-Yu Chang <chia-yu.chang@...ia-bell-labs.com>
Subject: [PATCH v8 iproute2-next 0/1] DUALPI2 iproute2 patch

From: Chia-Yu Chang <chia-yu.chang@...ia-bell-labs.com>

Hello,

  Please find DUALPI2 iproute2 patch v8.

v8 (09-May-25)
- Update pkt_sched.h with the one in nex-next
- Fix one typo of comment in pkt_sched.h (ALOK TIWARI <alok.a.tiwari@...cle.com>)
- Update manual content in man/man8/tc-dualpi2.8 (ALOK TIWARI <alok.a.tiwari@...cle.com>)
- Update tc/q_dualpi2.c to fix missing blank lines and add missing case (ALOK TIWARI <alok.a.tiwari@...cle.com>)

v7 (05-May-25)
- Align pkt_sched.h with the v14 version of net-next due to spec modificiaotn in tc.yaml
- Reorganize dualpi2_print_opt() to match the order in tc.yaml
- Remove credit-queue in PRINT_JSON

v6 (26-Apr-25)
- Update JSON file output due to spec modifiocation in tc.yaml of net-next

v5 (25-Mar-25)
- Use matches() to replace current strcmp() (Stephen Hemminger <stephen@...workplumber.org>)
- Use general parse_percent() for handling scaled percentage values (Stephen Hemminger <stephen@...workplumber.org>)
- Add print function for JSON of dualpi2 stats (Stephen Hemminger <stephen@...workplumber.org>)

v4 (16-Mar-25)
- Add min_qlen_step to dualpi2 attribute as the minimum queue length in number of packets in the L-queue to start step amrking.

v3 (21-Feb-25)
- Add memlimit to dualpi2 attribute, and add memory_used, max_memory_used, memory_limit in dualpi2 stats (Dave Taht <dave.taht@...il.com>)
- Update manual to align latest implementation and clarify the queue naming and default unit
- Use common "get_scaled_alpha_beta" and clean print_opt for Dualpi2

v2 (23-Oct-24)
- Rename get_float in dualpi2 to get_float_min_max in utils.c
- Move get_float from iplink_can.c in utils.c (Stephen Hemminger <stephen@...workplumber.org>)
- Add print function for JSON of dualpi2 (Stephen Hemminger <stephen@...workplumber.org>)

For more details of DualPI2, plesae refer IETF RFC9332
(https://datatracker.ietf.org/doc/html/rfc9332).

Best Regards,
Chia-Yu

Chia-Yu Chang (1):
  tc: add dualpi2 scheduler module

 bash-completion/tc             |  11 +-
 include/uapi/linux/pkt_sched.h |  68 +++++
 include/utils.h                |   2 +
 ip/iplink_can.c                |  14 -
 lib/utils.c                    |  30 ++
 man/man8/tc-dualpi2.8          | 249 +++++++++++++++
 tc/Makefile                    |   1 +
 tc/q_dualpi2.c                 | 534 +++++++++++++++++++++++++++++++++
 8 files changed, 894 insertions(+), 15 deletions(-)
 create mode 100644 man/man8/tc-dualpi2.8
 create mode 100644 tc/q_dualpi2.c

-- 
2.34.1