From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yw1-f181.google.com (mail-yw1-f181.google.com [209.85.128.181]) (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 854443E4C7A for ; Mon, 4 May 2026 17:41:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.181 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777916469; cv=none; b=ZsEmnfpqnFcKf9UbKcCin2R31uVJ6gzrAUReGYHhnFsyKJB2gdt/z5eUw8SvgopWHD4VwX/eAepcScMs7KgKqdzJKriswHiyG3NPRr+Jg8ikYHII+jSMTch3Nf4REvV3Z1yqBCLaxSJgpRZdxotiSYGetbVy1gASKhhX0m3zV8c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777916469; c=relaxed/simple; bh=ufkONH4lXdgrenYZU9xGx8aA3dUY2Vs/P/4JdsvRg+8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Fc0LfMrITdBaWul/f88qlX5AbPpU/6LoiKqvxgEAQSJpyipuoajrAVt1tahfQsuU6kOhlfniOyCPTQynx7QmWvhXvnTywWVGZyCLSpzvt/tna/tM5I4pBt2uSCXMmFrzUP/NX9F2C+9fdvNev6Kxdw+4gMaYHmQ0RRIXb5uuH5U= 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=oY5yEO2Y; arc=none smtp.client-ip=209.85.128.181 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="oY5yEO2Y" Received: by mail-yw1-f181.google.com with SMTP id 00721157ae682-7bd5e373d07so35760357b3.2 for ; Mon, 04 May 2026 10:41:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1777916466; x=1778521266; 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=ZVl8pNWWJ1FZhRJZlr6BIN+M7SkdqpWm1WnyYftGcVM=; b=oY5yEO2Y1r8qJyJLft9tVECCiJ80oT56tXpDR9Vo2R9JHQT9vwrKeXwUWr56Rn1Ts1 eLNqvAgQ4BKegWdOQhToOCpEs9VTZ7He75XUlPjIvb6T8/AA+COF1zjBOtbAGlXq3nx/ OHD+En8gedA4Dnil8uiFK5htXOWOr6jI34UzLpvDU9I4C6FF1TGSG+AB12K59pEVLT1L 10hPWjjk6uW9MRdfmAsdivmDlQHEf2O/gOaNIuPU80r8xQvCHzXxvCrXthIwE+jwaAke UegToVbmXD31VTE/vebP71+K2frD6DOZ1EkkowROcprOTgA3RthCNmzXlYW/CVIR1fwP CBAA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777916466; x=1778521266; 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=ZVl8pNWWJ1FZhRJZlr6BIN+M7SkdqpWm1WnyYftGcVM=; b=k9VWMVhwSqlyEbjGkUaa82hOrHWH+7eE6TiX4XAlAutbvlxeNfXm8INM3x+DVD5cXz klccwXG05sGmEa5shXzvwiXN/xtqD2m47dAbak6tp2SghLWwr8p8Ia6e3jqq3WmpP5yU dk6VZqZ0ZnkzIUT5Xzi5nO0YN1cQULltvChQiMyUKyL8W3fUw92TKKKPnXSXDCe5A4Lv FJnWyrVgBXXg92JMoQn+3ixyznUS2q8LzBm5yBT1EFZuMrmaxuTyzFyF5ltnRkYjmjbu kkgEq5YPed6rbUdZD38SWGw2GSQEm5fs0lwtLSRuBO9+CvlK15n01qtDXqkS6EZ+4sZC 8fBw== X-Forwarded-Encrypted: i=1; AFNElJ89M+ewQ2GV1qTtOy2RaPtEsZCqGBYpXfI+GuGk7Ni9ETFVAtTF4mUbp9RXXf7AO7ecrVItRdUzA0ZbSH5VGvk=@vger.kernel.org X-Gm-Message-State: AOJu0YxakMKz98rNv+FLHjBYxGR0oNBekmgADI5pfSqQelzIa11t3Ym6 jy2eSWriReUsK1a45e/DgmfSmFZhT1p65KvzBAk/IX5BvD/wrf7Xpq9v X-Gm-Gg: AeBDieuUwg0YQPtb7uJpOu3+iNUUIe7smuQYBrsFpuHp7lgf3Mz45kLLPFjYfARQV2T U2wH48HAGr7edNBkMluwKs0OV7qOWqHiSXbbRAs5Q2OoSJ/pCxEW/G1GQu9YwBKcnIwWtbg+bqj pT1PstG9/g7unubOH3bKKM176YJMQfDhCVYgWSDGOFbeNT32/AQqUyhf/usE3sHfESqE/0qh8kP J1t2osg+4GVJXY/EDqAViuOiS3OfMZYKM7W+v6piOSJ+OkF0Uft1qU2F/ZTtZ0ng7pjSMr1yiP1 8vQL3Aju1/+tsWOyREHJceJt/1uf/qHOVS/u7Rur6GT9ebnauauEhkhwbwsw/zNUBTZLhNmeNNX 4vExW+RVryiaOmhDqsKzTVxMjuhA+8PRKx8JdM86eRKpABct+yK2ThoPGveefXtpdS1aMPAE9sM FVkk0u7fqkStUEmbHTRPPH14H/iA1Ax/H9aI6fTj+07iJRN5IGIG3ZKftfTHtvlqyql+bqGA3Ar 1eMeK0Lonien4gEzgG696r8AVN9vvmp98p5YG/QspDwr91y X-Received: by 2002:a05:690c:a01c:b0:7b8:bc4e:ac3 with SMTP id 00721157ae682-7bd77104b4emr103087397b3.26.1777916466466; Mon, 04 May 2026 10:41:06 -0700 (PDT) Received: from willemb.c.googlers.com.com (172.235.85.34.bc.googleusercontent.com. [34.85.235.172]) by smtp.gmail.com with ESMTPSA id 00721157ae682-7bd6685d0cbsm51551767b3.35.2026.05.04.10.41.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 May 2026 10:41:06 -0700 (PDT) From: Willem de Bruijn To: netdev@vger.kernel.org Cc: davem@davemloft.net, kuba@kernel.org, edumazet@google.com, pabeni@redhat.com, horms@kernel.org, linux-kselftest@vger.kernel.org, shuah@kernel.org, Willem de Bruijn Subject: [PATCH net-next v7 2/3] selftests: net: py: add tc utility Date: Mon, 4 May 2026 13:38:33 -0400 Message-ID: <20260504174056.565319-3-willemdebruijn.kernel@gmail.com> X-Mailer: git-send-email 2.54.0.545.g6539524ca2-goog In-Reply-To: <20260504174056.565319-1-willemdebruijn.kernel@gmail.com> References: <20260504174056.565319-1-willemdebruijn.kernel@gmail.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Willem de Bruijn Add a wrapper similar to existing ip, ethtool, ... commands. Tc takes a slightly different syntax. Account for that. The first user is the next patch in this series, converting so_txtime to drv-net. Pacing offload is supported by selected qdiscs only. Signed-off-by: Willem de Bruijn --- .../testing/selftests/drivers/net/lib/py/__init__.py | 5 +++-- tools/testing/selftests/net/lib/py/__init__.py | 4 ++-- tools/testing/selftests/net/lib/py/utils.py | 12 +++++++++++- 3 files changed, 16 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/drivers/net/lib/py/__init__.py b/tools/testing/selftests/drivers/net/lib/py/__init__.py index 2b5ec0505672..09aac4ce67bc 100644 --- a/tools/testing/selftests/drivers/net/lib/py/__init__.py +++ b/tools/testing/selftests/drivers/net/lib/py/__init__.py @@ -23,7 +23,8 @@ try: NlError, RtnlFamily, DevlinkFamily, PSPFamily, Netlink from net.lib.py import CmdExitFailure from net.lib.py import bkg, cmd, bpftool, bpftrace, defer, ethtool, \ - fd_read_timeout, ip, rand_port, rand_ports, wait_port_listen, wait_file + fd_read_timeout, ip, rand_port, rand_ports, tc, wait_port_listen, \ + wait_file from net.lib.py import bpf_map_set, bpf_map_dump, bpf_prog_map_ids from net.lib.py import KsftSkipEx, KsftFailEx, KsftXfailEx from net.lib.py import ksft_disruptive, ksft_exit, ksft_pr, ksft_run, \ @@ -36,7 +37,7 @@ try: "NlError", "RtnlFamily", "DevlinkFamily", "PSPFamily", "Netlink", "CmdExitFailure", "bkg", "cmd", "bpftool", "bpftrace", "defer", "ethtool", - "fd_read_timeout", "ip", "rand_port", "rand_ports", + "fd_read_timeout", "ip", "rand_port", "rand_ports", "tc", "wait_port_listen", "wait_file", "bpf_map_set", "bpf_map_dump", "bpf_prog_map_ids", "KsftSkipEx", "KsftFailEx", "KsftXfailEx", diff --git a/tools/testing/selftests/net/lib/py/__init__.py b/tools/testing/selftests/net/lib/py/__init__.py index 7c81d86a7e97..64a8c1ed4950 100644 --- a/tools/testing/selftests/net/lib/py/__init__.py +++ b/tools/testing/selftests/net/lib/py/__init__.py @@ -14,7 +14,7 @@ from .netns import NetNS, NetNSEnter from .nsim import NetdevSim, NetdevSimDev from .utils import CmdExitFailure, fd_read_timeout, cmd, bkg, defer, \ bpftool, ip, ethtool, bpftrace, rand_port, rand_ports, wait_port_listen, \ - wait_file, tool + wait_file, tool, tc from .bpf import bpf_map_set, bpf_map_dump, bpf_prog_map_ids from .ynl import NlError, NlctrlFamily, YnlFamily, \ EthtoolFamily, NetdevFamily, RtnlFamily, RtnlAddrFamily @@ -29,7 +29,7 @@ __all__ = ["KSRC", "NetNS", "NetNSEnter", "CmdExitFailure", "fd_read_timeout", "cmd", "bkg", "defer", "bpftool", "ip", "ethtool", "bpftrace", "rand_port", "rand_ports", - "wait_port_listen", "wait_file", "tool", + "wait_port_listen", "wait_file", "tool", "tc", "bpf_map_set", "bpf_map_dump", "bpf_prog_map_ids", "NetdevSim", "NetdevSimDev", "NetshaperFamily", "DevlinkFamily", "PSPFamily", "NlError", diff --git a/tools/testing/selftests/net/lib/py/utils.py b/tools/testing/selftests/net/lib/py/utils.py index b68d4607114d..be9408a77168 100644 --- a/tools/testing/selftests/net/lib/py/utils.py +++ b/tools/testing/selftests/net/lib/py/utils.py @@ -239,7 +239,10 @@ class defer: def tool(name, args, json=None, ns=None, host=None): cmd_str = name + ' ' if json: - cmd_str += '--json ' + if name == 'tc': + cmd_str += '-json ' + else: + cmd_str += '--json ' cmd_str += args cmd_obj = cmd(cmd_str, ns=ns, host=host) if json: @@ -257,6 +260,13 @@ def ip(args, json=None, ns=None, host=None): return tool('ip', args, json=json, host=host) +def tc(args, json=None, ns=None, host=None): + """ Helper to call tc with standard set of optional args. """ + if ns: + args = f'-netns {ns} ' + args + return tool('tc', args, json=json, host=host) + + def ethtool(args, json=None, ns=None, host=None): return tool('ethtool', args, json=json, ns=ns, host=host) -- 2.54.0.545.g6539524ca2-goog