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([2402:e280:21c6:671:f16e:2102:25ad:9cdb]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-33e939fdd91sm943147eec.4.2026.09.22.14.11.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Sep 2026 14:11:49 -0700 (PDT) From: "Hemendra M. Naik" To: netdev@vger.kernel.org Cc: jiri@resnulli.us, jhs@mojatatu.com, linux-kernel@vger.kernel.org, vishy0777@gmail.com, tahiliani@nitk.edu.in, "Hemendra M. Naik" Subject: [PATCH iproute2-next v7 0/2] tc: fq_pie: add per-flow class statistics support Date: Wed, 23 Sep 2026 02:41:37 +0530 Message-Id: <20260922211139.38570-1-hemendranaik@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit FQ-PIE exposes no per-flow AQM state in userspace today. This series adds tc support for printing per-flow statistics via 'tc -s class show', matching the kernel fq_pie class ops series. The corresponding kernel series can be viewed here: https://lore.kernel.org/netdev/20260922205924.32173-1-hemendranaik@gmail.com/ Both the kernel and iproute2 patches can also be found in GitHub: - https://github.com/H-N41K/linux-net-next/tree/fq_pie_class_stats/ - https://github.com/H-N41K/iproute2-next/tree/fq_pie_class_stats/ --- Changelog: v7: - Removed UAPI header changes. The series now contains 2 commits. v6: https://lore.kernel.org/netdev/20260919061254.39678-1-hemendranaik@gmail.com/ - No code changes since v5. - Rebased over the latest iproute2-next tree and re-submitted patch. v5: https://lore.kernel.org/netdev/20260902040221.83734-1-hemendranaik@gmail.com/ - Addressed Sashiko review comments (folded into patch 1/3): - Dropped empty tc_fq_pie_xqd_stats placeholder; class_stats is now a direct struct member in the UAPI header. v4: https://lore.kernel.org/netdev/20260727165028.106817-1-hemendranaik@gmail.com/ - Split into 3 patches: fq_pie class stats, pie avg_dq_rate formatting, and tc_pie_xstats comment fixes. v3: https://lore.kernel.org/netdev/20260630184453.171410-1-hemendranaik@gmail.com/ - Moved print_nl() into each xstats type block to preserve output formatting. v2: https://lore.kernel.org/netdev/20260614130729.10076-1-hemendranaik@gmail.com/ - Addressed ABI backward compatibility issue. v1: https://lore.kernel.org/netdev/20260531131411.28213-1-hemendranaik@gmail.com/ - Initial submission Hemendra M. Naik (2): tc: fq_pie: add support for printing per-flow PIE statistics tc: pie: print avg_dq_rate in human-readable format man/man8/tc-fq_pie.8 | 18 ++++++++++++++ man/man8/tc-pie.8 | 2 +- tc/q_fq_pie.c | 59 ++++++++++++++++++++++++++++++-------------- tc/q_pie.c | 4 +-- 4 files changed, 61 insertions(+), 22 deletions(-) -- 2.34.1