From: Jakub Kicinski <kuba@kernel.org>
Date: Thu, 24 Jul 2025 00:52:10 +0000 (-0700)
Subject: Merge branch 'dualpi2-patch'
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8aad37d16cffb6c0940d9b213456a2733a786f57;p=thirdparty%2Flinux.git

Merge branch 'dualpi2-patch'

Chia-Yu Chang says:

====================
DUALPI2 patch

This patch serise adds DualPI Improved with a Square (DualPI2) with
following features:
 * Supports congestion controls that comply with the Prague requirements
   in RFC9331 (e.g. TCP-Prague)
 * Coupled dual-queue that separates the L4S traffic in a low latency
   queue (L-queue), without harming remaining traffic that is scheduled
   in classic queue (C-queue) due to congestion-coupling using PI2
   as defined in RFC9332
 * Configurable overload strategies
 * Use of sojourn time to reliably estimate queue delay
 * Supports ECN L4S-identifier (IP.ECN==0b*1) to classify traffic into
   respective queues

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

Link: https://patch.msgid.link/20250722095915.24485-1-chia-yu.chang@nokia-bell-labs.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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8aad37d16cffb6c0940d9b213456a2733a786f57