From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f41.google.com (mail-pj1-f41.google.com [209.85.216.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8F7E732862D for ; Sat, 27 Dec 2025 19:41:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.41 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766864514; cv=none; b=uKJs+H7pCOsySPQJmoGU/J90E4u2hALHzg+uMJsCPkTJU/MaePbBOtoHf0Z9GdqiLWaPBnQsKzFpk0eArLqfBpqgBJBRKyVPRwRFp0CrPD4CQnhbLy4jpj52PJHy/wl50vLcxKlnb3Tg8DDw7toAKsxbL0h37E2X7rXGddxpXZM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766864514; c=relaxed/simple; bh=0xF/qoMYScGyzsUrxqXDhqBlTWWhc5uFUH02xwEcbyA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=bfikGpzojiBsBhr/p9sDnKswLd7Op4zoq8J78KtjEJjPoRzdR9btov1Rqbj41oIAyY0FuP6lKeHsMvzM2k94X0TdKWB4QwkfLnc7LxlcTyPSVWEBnF9lTm5xD6jZks0T8il4/9KpRm7Jz7/r8Z0ViTIC4X0Wqlqos61QEqL9+K0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=TOoXissX; arc=none smtp.client-ip=209.85.216.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="TOoXissX" Received: by mail-pj1-f41.google.com with SMTP id 98e67ed59e1d1-34c2f52585fso7142122a91.1 for ; Sat, 27 Dec 2025 11:41:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1766864511; x=1767469311; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=dA8rnfeRTQ3UoeWxoB8E6weN1m+0woqy2zqDPqU2zrg=; b=TOoXissXdZdS896v/FRlbkG9uBd7NVSYeWFm8zV/33r/3P7diKmvacqwxwxbqjTqh9 r6KVZoSoMErw4kvLp0sDBrevs4UrVTZER3A8XX47ldkcg3RoHenQRM+dQYqBePmaHo+h nNhZUqoKWDpv6RSTLu1gNjGzRHGOw9Qiz2glugrwzKL7kKdlqjZirMwAxsF5s+LMUEq6 PkfTVCbcaRr+CZH14CWNV72C5GVWovsfb4D0Hpl0juQscorkqh4kQuSXWMa++WxC2tBz YhN41SaBLvFrqgTuwF03gZQqC/Bc9AHTUWkXCz6HE8T1H8Sb/VIaZZ1+3YPECGFsdta8 ETRA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1766864511; x=1767469311; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=dA8rnfeRTQ3UoeWxoB8E6weN1m+0woqy2zqDPqU2zrg=; b=XVUdXINXqU6qnfDCZgRf4t9tYZ2/vkrObps4kXverJpyUky8uh4InVuibrQn1eYIrB XumtIs+GQ0KLrzbLd0Wa4t8IgqGTp8A08DcAsNVAIwzUMlKCTRjl7VRB5Mu4ybRv09RL prmIvVIwkc+iTY92bWLIF3du8pozVdcOS7AegCMcoX75UYyJGYoDzS/EUMSnH+58KTQO P3so3PgVLjkY5tqzltsDuCKaaSDd/gGspqMlvkMSDTWFIH15e8z7Jze8LTM6mZ6tM8eY HtBUKZt8cYDKhi8awhtFGhyuzSa0FWkCQ3bVpdFtFjwL/3ns3IXPCxZkP6h+jarBFs0b DdpQ== X-Gm-Message-State: AOJu0YxyjHDryJRUWdyNOy9wy2nSlctLewQXhuoJstdl7M5PfpZ3clHS KExbHTkACagMb+uh4NcsLEGbC52Xkoi/9igegYqi8k7E2Y+jLcDEN/58zCKDRw== X-Gm-Gg: AY/fxX56t0CE7nHpVcy+03b+ZDuxi+oxJLpnT8sHggtT4s5NsZPKmRn0ZQktCxb26vT a6l4+XuX2X9r3uYYwrEjqVew9stcI474ld+6U81HORIft7JQxB05+18hCphiRbsPMtFLFEAUvKG J7A/1gdbwxr/KDTSO25eu8NC6nanz/Z1/MsxZQ9sHU9+XaxdQw53HZgnAKQ6ZSo14yKTVKVPNrn Fb53foKYzFQvWP9yWqMZFuP2pHZAxziW2SVktI5yR86edHHTU6ZWUfidXfkCDa4I/W8n5Khd0yO toqQR5XZFRB5xriErTZ9m12tzmPZ3K/kk4zS4NR4186XNGu4qKPMuArDsWhiHj5RValfR/n01LX VIuITRQXCOaTks8VchhRG9uVk7DaL6rTcSDm8irVQlMXhvH9eB5wgpLREdatfT7xaRUusoULf5a a5SSKG/pVFTHp0nkea X-Google-Smtp-Source: AGHT+IHkF888PZ0dosHx8V7hfeoTdTdTTA6RvJIUN8MWJhvv3P2Bc36UtEOR6GLw7+QrhC/Bdh8l0g== X-Received: by 2002:a05:7022:5e06:b0:119:e569:fba9 with SMTP id a92af1059eb24-121722ebbbamr24194281c88.24.1766864511477; Sat, 27 Dec 2025 11:41:51 -0800 (PST) Received: from pop-os.. ([2601:647:6802:dbc0:de11:3cdc:eebf:e8cf]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2b05fe5653esm59087584eec.1.2025.12.27.11.41.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 27 Dec 2025 11:41:50 -0800 (PST) From: Cong Wang To: netdev@vger.kernel.org Cc: Cong Wang , William Liu Subject: [Patch net v6 5/8] selftests/tc-testing: Add a nested netem duplicate test Date: Sat, 27 Dec 2025 11:41:32 -0800 Message-Id: <20251227194135.1111972-6-xiyou.wangcong@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251227194135.1111972-1-xiyou.wangcong@gmail.com> References: <20251227194135.1111972-1-xiyou.wangcong@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Integrate the reproducer from William into tc-testing and use scapy to generate packets for testing: # ./tdc.py -e 1676 -- ns/SubPlugin.__init__ -- scapy/SubPlugin.__init__ Test 1676: NETEM nested duplicate 100% [ 1154.071135] v0p0id1676: entered promiscuous mode [ 1154.101066] virtio_net virtio0 enp1s0: entered promiscuous mode [ 1154.146301] virtio_net virtio0 enp1s0: left promiscuous mode . Sent 1 packets. [ 1154.173695] v0p0id1676: left promiscuous mode [ 1154.216159] v0p0id1676: entered promiscuous mode . Sent 1 packets. [ 1154.238398] v0p0id1676: left promiscuous mode [ 1154.260909] v0p0id1676: entered promiscuous mode . Sent 1 packets. [ 1154.282708] v0p0id1676: left promiscuous mode [ 1154.309399] v0p0id1676: entered promiscuous mode . Sent 1 packets. [ 1154.337949] v0p0id1676: left promiscuous mode [ 1154.360924] v0p0id1676: entered promiscuous mode . Sent 1 packets. [ 1154.383522] v0p0id1676: left promiscuous mode All test results: 1..1 ok 1 1676 - NETEM nested duplicate 100% Reported-by: William Liu Signed-off-by: Cong Wang --- .../tc-testing/tc-tests/qdiscs/netem.json | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/tools/testing/selftests/tc-testing/tc-tests/qdiscs/netem.json b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/netem.json index 3c4444961488..03c4ceb22990 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/qdiscs/netem.json +++ b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/netem.json @@ -336,5 +336,30 @@ "teardown": [ "$TC qdisc del dev $DUMMY handle 1: root" ] + }, + { + "id": "1676", + "name": "NETEM nested duplicate 100%", + "category": ["qdisc", "netem"], + "setup": [ + "$TC qdisc add dev $DEV1 root handle 1: netem limit 1000 duplicate 100%", + "$TC qdisc add dev $DEV1 parent 1: handle 2: netem limit 1000 duplicate 100%" + ], + "teardown": [ + "$TC qdisc del dev $DEV1 root" + ], + "plugins": { + "requires": ["nsPlugin", "scapyPlugin"] + }, + "scapy": { + "iface": "$DEV0", + "count": 5, + "packet": "Ether()/IP(dst='10.10.10.1', src='10.10.10.10')/TCP(sport=12345, dport=80)" + }, + "cmdUnderTest": "$TC -s qdisc show dev $DEV1", + "expExitCode": "0", + "verifyCmd": "$TC -s qdisc show dev $DEV1", + "matchPattern": "Sent [0-9]+ bytes [0-9]+ pkt", + "matchCount": "2" } ] -- 2.34.1