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([2402:e280:21c6:671:cc96:e14b:76e:f8f1]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-1b3755eb6efsm13443513c88.4.2026.11.08.23.11.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 Nov 2026 23:11:20 -0800 (PST) From: "Hemendra M. Naik" To: netdev@vger.kernel.org Cc: davem@davemloft.net, edumazet@kernel.org, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, jiri@resnulli.us, jhs@mojatatu.com, shuah@kernel.org, donald.hunter@gmail.com, ast@fiberby.net, toke@redhat.com, liuhangbin@kylinos.cn, j.koeppeler@tu-berlin.de, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, vishy0777@gmail.com, tahiliani@nitk.edu.in, "Hemendra M. Naik" Subject: [PATCH net-next v10 4/4] Documentation/netlink/specs: tc: describe fq_pie per-flow class stats Date: Mon, 9 Nov 2026 12:40:17 +0530 Message-Id: <20261109071017.438478-5-hemendranaik@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20261109071017.438478-1-hemendranaik@gmail.com> References: <20261109071017.438478-1-hemendranaik@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add the tc-fq-pie-cl-stats header for fq_pie per flow (class) stats in Documentation/netlink/specs/tc.yaml with its five fields: prob, delay, deficit, avg-dq-rate, fq-rate-estimating. Extend the tc-fq-pie-xstats fixed header with the type discriminator and the per-flow class_stats fields that follow the nine legacy __u32 qdisc counters in struct tc_fq_pie_xstats. Signed-off-by: Hemendra M. Naik Signed-off-by: Vishal Kamath Signed-off-by: Mohit P. Tahiliani --- Documentation/netlink/specs/tc.yaml | 33 +++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/Documentation/netlink/specs/tc.yaml b/Documentation/netlink/specs/tc.yaml index b6ccc645b0e3..b159c4b563c7 100644 --- a/Documentation/netlink/specs/tc.yaml +++ b/Documentation/netlink/specs/tc.yaml @@ -894,6 +894,30 @@ definitions: name: memory-limit type: u32 doc: Memory limit in bytes + - + name: tc-fq-pie-cl-stats + type: struct + members: + - + name: prob + type: u64 + doc: Current drop probability of the flow + - + name: delay + type: u32 + doc: Current queue delay of the flow in microseconds + - + name: deficit + type: s32 + doc: Number of remaining byte credits + - + name: avg-dq-rate + type: u32 + doc: Current average dq_rate in bytes/second + - + name: dq-rate-estimating + type: u32 + doc: Is avg-dq-rate being calculated? - name: tc-fq-pie-xstats type: struct @@ -934,6 +958,15 @@ definitions: name: memory-usage type: u32 doc: Total memory across all queues + - + name: type + type: u32 + doc: TCA_FQ_PIE_XSTATS_QDISC (0) or TCA_FQ_PIE_XSTATS_CLASS (1) + - + name: class-stats + type: binary + struct: tc-fq-pie-cl-stats + doc: Class statistics of a particular flow (invoked via tc class show) - name: tc-fq-qd-stats type: struct -- 2.34.1