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Sat, 28 Mar 2026 11:27:06 -0700 (PDT) Received: from phoenix.lan ([104.202.29.139]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-12ab97cb08csm3909263c88.3.2026.03.28.11.27.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 28 Mar 2026 11:27:06 -0700 (PDT) From: Stephen Hemminger To: netdev@vger.kernel.org Cc: Stephen Hemminger Subject: [PATCH net-next 0/6] net/sched: netem: cleanups and improvements Date: Sat, 28 Mar 2026 11:26:01 -0700 Message-ID: <20260328182704.456993-1-stephen@networkplumber.org> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Cleanup and improvement patches for netem, done as follow-on to the bug fix series found during AI-assisted review. - replace pr_info() with netlink extack error reporting - validate slot min/max delay range on configuration - fix slot delay calculation overflow for large ranges - remove unused loss model struct fields - remove stale VERSION string - add per-impairment extended statistics (delayed, dropped, corrupted, duplicated, reordered, ecn_marked) The xstats patch requires a corresponding iproute2 change to display the new counters in tc -s qdisc show. This will go as separate patch after this. Stephen Hemminger (6): net/sched: netem: replace pr_info with netlink extack error messages net/sched: netem: check for invalid slot range net/sched: netem: fix slot delay calculation overflow net/sched: netem: remove unused loss model fields net/sched: netem: remove useless VERSION net/sched: netem: add per-impairment extended statistics include/uapi/linux/pkt_sched.h | 9 +++ net/sched/sch_netem.c | 120 ++++++++++++++++++++++----------- 2 files changed, 89 insertions(+), 40 deletions(-) -- 2.53.0