[dpdk-dev] [PATCH v23 1/3] sched: add PIE based congestion management

[Thomas Monjalon]

04/11/2021 12:03, Liguzinski, WojciechX:
> From: Wojciech Liguzinski <wojciechx.liguzinski at intel.com>
> 
> Implement PIE based congestion management based on rfc8033.
> 
> The Proportional Integral Controller Enhanced (PIE) algorithm works
> by proactively dropping packets randomly.
> PIE is implemented as more advanced queue management is required to
> address the bufferbloat problem and provide desirable quality of
> service to users.
> 
> Tests for PIE code added to test application.
> Added PIE related information to documentation.
> 
> Signed-off-by: Wojciech Liguzinski <wojciechx.liguzinski at intel.com>
> Acked-by: Cristian Dumitrescu <cristian.dumitrescu at intel.com>
> Acked-by: Jasvinder Singh <jasvinder.singh at intel.com>
> 
> --

It should be 3 dashes to make the below hidden in git.

> Changes in V23:
> - Coding style fixed
> 
> Changes in V22:
> - Coding style fixed
> 
> Changes in V21:
> - Coding style fixed
> - Patches reorganized according to comments
> 
> Changes in V20:
> - Removed API conditional compilation
> - Added flag to indicate cman enabled/disabled
> - Fixed submitter data in patches
> 
> Changes in V19:
> - ACKs included in patches
> 
> Changes in V18:
> - Resolved merge conflict in lib/sched/meson.build after rebasing ontop of main
> - Reverted whitespace change in app_thread.c - comment from Stephen Hemminger
> 
> Changes in V17:
> - Corrected paragraph link naming in qos_framework.rst to fix CI builds
> 
> Changes in V16:
> - Fixed 'title underline too short' error in qos_framework.rst
> - Applied __rte_unused macro to parameters in rte_sched_port_pie_dequeue()
> 
> ---
>  app/test/meson.build                         |    4 +
>  app/test/test_pie.c                          | 1065 ++++++++++++++++++
>  doc/guides/prog_guide/glossary.rst           |    3 +
>  doc/guides/prog_guide/qos_framework.rst      |   64 +-
>  doc/guides/prog_guide/traffic_management.rst |   13 +-
>  drivers/net/softnic/rte_eth_softnic_tm.c     |    6 +-
>  lib/sched/meson.build                        |    3 +-
>  lib/sched/rte_pie.c                          |   86 ++
>  lib/sched/rte_pie.h                          |  398 +++++++
>  lib/sched/rte_sched.c                        |  254 +++--
>  lib/sched/rte_sched.h                        |   64 +-
>  lib/sched/version.map                        |    4 +
>  12 files changed, 1860 insertions(+), 104 deletions(-)
>  create mode 100644 app/test/test_pie.c
>  create mode 100644 lib/sched/rte_pie.c
>  create mode 100644 lib/sched/rte_pie.h

Adding this change to include the new test in sched library maintainership:

--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1428,6 +1428,7 @@ M: Cristian Dumitrescu <cristian.dumitrescu at intel.com>
 M: Jasvinder Singh <jasvinder.singh at intel.com>
 F: lib/sched/
 F: doc/guides/prog_guide/qos_framework.rst
+F: app/test/test_pie.c
 F: app/test/test_red.c
 F: app/test/test_sched.c
 F: examples/qos_sched/

Cristian, Jasvinder, I didn't see a lot of comments from you on this patch,
so I assume you are OK with this change.