From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qv1-f73.google.com (mail-qv1-f73.google.com [209.85.219.73]) (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 7CDE530AD00 for ; Mon, 27 Apr 2026 13:25:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777296360; cv=none; b=dzNZcC/ahNuyU+sBHfVMsKipsFBj4E0GHLskrMF17Qellbq64/HLgPwRHzX5fURCZLkIp7CSaEU8arVnqbuNn3KR0ZjEz6Q9VJrliEtihn/7cbrESIZ0K7aF/3ZzTilO7TC70VC8B5o01Zl4T3uRz7SNDNxwqidj0D/aHHrXIgc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777296360; c=relaxed/simple; bh=zt2iF+HM/WzsKRjfneRbPnPft+bONDAyu3qYhJn93Hw=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=GjebmF2YHwB148nNHBtdfjEPu6Xiwi7T1qMRtfZM0URGy1LR0fSnRjxbcPBG69QjTKBArOm0ZMPzHJ5v30p/uDyOKYPKL0TP61HL1HiGge/KWZfuEPl0O+aO5vFCAC3+e+iIGyXNlKSe6re5geFMhKYZLre2gZ5D+2oFdWn87vM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--edumazet.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=V/KF4E+f; arc=none smtp.client-ip=209.85.219.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--edumazet.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="V/KF4E+f" Received: by mail-qv1-f73.google.com with SMTP id 6a1803df08f44-8ac04b2fc4eso41257676d6.0 for ; Mon, 27 Apr 2026 06:25:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1777296357; x=1777901157; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=hP6Kt25Pfa0fJRQsy5s8BLsza4A6PD6QyQORKG1sofg=; b=V/KF4E+fD0JD2TbVCgM0ZRl33OqOhTFoW9YCDPCbyvF1v5/ic5nU0SEtdkGVhcxA0b tZblW5Rv4ezzS2MI9l+pdMHJQrzvtKmQSm9tO6atD8Bnogh7/bcMR97WD/twJGOfDBbV 8TzpdPLVuhgIHeU9Lw7Mgniv23F9yTCxImJwiOgeG8V6CDyOqMOepkEEUpDDHR26bi4H 2hc3KRpr1TwR6FVNL3fQiITKghLzmTkqTrsM9awOJt5ImipBT/hud6orqioZ4ygi/IOT y5gPrKbUGoNxSDhXFzWc64EeiurU6+Zd/YglTofcMBI1mS2T1yy/0OK/SFToHNb0MqVM 3eIg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777296357; x=1777901157; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=hP6Kt25Pfa0fJRQsy5s8BLsza4A6PD6QyQORKG1sofg=; b=j68J75/rmRM/LjWxKxoWSOp7Cf7Mlba0DYxYYImhLuIvFTUq+eizyq3c41nWMz06bm 7OLtYe0hn1U4GEmM3rDdHSrSJPM/MQ58Q+1a3u+tJTsSIh0UlHuVkw5/mbS8PT8AiKWZ l/6nkfCPVx2AlvS+xhEhR+SFlf4ykR59FKsCTihsNY32wQkwWomh/L2/HwKM9CRyfHBD maBzFQHaT/hj6GWnljZW+RZMNZ+Gm+JKONTWxnb18xgni5Nczp0IGixUtwsTQVNfe+0+ 2BXrmLWlZaZky4pVVRcd8zE0j1jbqYfvyYIiDI0ZiekgD7WoFwzWtn/aivFd1x+ghofd P+gQ== X-Forwarded-Encrypted: i=1; AFNElJ/TzsFbRApuan3e1pnjdQ0c1xtmaia2MUlN2HVgGKHOSBHKIO3bKCovlj1KNK7R/Sr2ZQPgPjI=@vger.kernel.org X-Gm-Message-State: AOJu0Yy8I1kesGtbvt6VXV6YUekHh93IwLyC6myGaZMh4l6UdhX9XDBb 0Alxt9P1ncAxC+45YVNOCQ2eWKvMIWjhZsYeM2Pi4wV+2kh47N6YqCrbeJ2/P3Yu6ZqMIXw65mK Qaxifeu8RdcScqw== X-Received: from qvab4.prod.google.com ([2002:a05:6214:6104:b0:89c:e4ec:1bae]) (user=edumazet job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6214:33c3:b0:8ac:b4d5:50db with SMTP id 6a1803df08f44-8b02818ec3fmr642304656d6.28.1777296357177; Mon, 27 Apr 2026 06:25:57 -0700 (PDT) Date: Mon, 27 Apr 2026 13:25:51 +0000 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.54.0.545.g6539524ca2-goog Message-ID: <20260427132555.1791636-1-edumazet@google.com> Subject: [PATCH net-next 0/4] net/sched: tc_dump_qdisc() optimizations From: Eric Dumazet To: "David S . Miller" , Jakub Kicinski , Paolo Abeni Cc: Simon Horman , Jamal Hadi Salim , Jiri Pirko , Kuniyuki Iwashima , netdev@vger.kernel.org, eric.dumazet@gmail.com, Eric Dumazet Content-Type: text/plain; charset="UTF-8" Before converting tc_dump_qdisc() to RCU, we make the following changes: - Use for_each_netdev_dump() instead of for_each_netdev() - Only dump qdiscs of a single device at user space request. Eric Dumazet (4): net/sched: propagate tc_fill_tclass() error net/sched: tc_dump_qdisc_root() refactor net/sched: switch tc_dump_qdisc() to for_each_netdev_dump() net/sched: speedup tc_dump_qdisc() when tcm_ifindex is provided net/sched/sch_api.c | 140 +++++++++++++++++++++++--------------------- 1 file changed, 74 insertions(+), 66 deletions(-) -- 2.54.0.545.g6539524ca2-goog