From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qk1-f202.google.com (mail-qk1-f202.google.com [209.85.222.202]) (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 510CE346E7D for ; Tue, 27 Jan 2026 12:38:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.222.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769517512; cv=none; b=BBZGaewlsjyswzVAcwj/YhWCaPTng3mbisAjOp5gXOZ0Qa+wyIyzaXJFL921DcZL96HK3EnvRg/bg28VZIB4elcxpzEZh2Iq2jNGHt6egIjQ0qCuTiiXhSuyo8ow0nyCA2iam+7FwvQOt3EUOh7OkR5PrbEOppCQMX/IBdPR9dY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769517512; c=relaxed/simple; bh=aY3o+iFnnJA2UL+XZVV83ITKFA3lqF0Q+eVkLbg54AY=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=e7GfmN4zi+bfQlYsFQT8ZouVPSzCsEngdP0QTEyjyGrFghlvvHiLGkX6qrvVgwaUYERQ8pxRXzuDOt+af6R7qmA4d2ewUrr4cssxbcdvavWTXPiMzlSxhoB4OpnnN5i67eiNCAmUZGiBZmN7JL8WXElZwyUkDtu2yAl4C1lfOU4= 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=Ap8PHKzz; arc=none smtp.client-ip=209.85.222.202 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="Ap8PHKzz" Received: by mail-qk1-f202.google.com with SMTP id af79cd13be357-8c70a62ca32so209420385a.2 for ; Tue, 27 Jan 2026 04:38:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1769517510; x=1770122310; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=rg5Z71QjKnaSUP2TEkyRH9SzaaIwaz4czfXWMb6hoeQ=; b=Ap8PHKzzOTZ6cHybE53ueYGS9qi4ZIYPBMs/Bn5D+AZRoJE0Ah6Lp/zZHVJe6ixKJR LTBj5ZpyhhmLfxBE0c4zNn0+eBeTqha8iUKkIfqudjd6c1Iazg/XDBCBnlitLwGWSOMU hBwqlzqq5ccBH68rQK3G02LZpV4wVgncJ6JO1le4aglzbXfPZcRg7BgpXtk9C4A1lX3P WENKYk5l4UGciBT7sWj9XPA/0UfjW5cEKM/5zJibfQt6b6uyo7v4pM38sVQc4rAmuMwO Jf7/AzndVYLL2epkb95q5kQOzZPP/QDLg26UhgOf8YDUQsQ6HFRqrwXAE6YhQq16FuwI GVkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769517510; x=1770122310; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=rg5Z71QjKnaSUP2TEkyRH9SzaaIwaz4czfXWMb6hoeQ=; b=pqt5zGdPCmxfyDDfdh+7xHZtGQ45zzraEsgQOcIPMfl5Zl4mXre8L1W/AwGZHLwxyr CUKH3cneGLDGUDMm324s6KQ6TiShMGSwzWoro5lEIeUHvVCofnjgvKGikwJGJ/0zzjCO S7cM9vDlpwM5GNFPpNNpi9Cphn0bOxX+fXB8fLAa2mLPxESRHfUwZ9GLM9SJf31zcA3e HWfz9KtA3hydo7rVU+h1BhtjK67kL9419ayyB7oo5oh9LwaASGgyf6LTqqIdbVnvj6lB 0Sl/QidGLYJpSx6fNXARQLoAmkgmH+MvU/4944JvsE4HFo0edRsNjDHB0CoyBVRDYxdC w8jg== X-Forwarded-Encrypted: i=1; AJvYcCVEhYKfUVVK+2McXAqO6PH11JgHDISMEEYNRF4oCDlHlCbXKiQuoeYNLYUUY+OQBy1rGjduPNU=@vger.kernel.org X-Gm-Message-State: AOJu0YyQXm+LyG1zbi/koQ0eFo/dn08nvIJbkQFhdEc3BNGwYgjbchpY fEbiI65SVIZ8q3pKoZktsnIIK2iEJ+n22FXGr4pe5qq8PtT+JDcbk1GAgjhTQgDdG2f+nwsjAOp Yoi8icmAzd6jGpw== X-Received: from qkpr6.prod.google.com ([2002:a05:620a:2986:b0:8c3:87db:d7eb]) (user=edumazet job=prod-delivery.src-stubby-dispatcher) by 2002:a05:620a:3184:b0:8b2:e179:feb7 with SMTP id af79cd13be357-8c70b8ebc3dmr167860585a.49.1769517510115; Tue, 27 Jan 2026 04:38:30 -0800 (PST) Date: Tue, 27 Jan 2026 12:38:26 +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 2.53.0.rc1.217.geba53bf80e-goog Message-ID: <20260127123828.4098577-1-edumazet@google.com> Subject: [PATCH net-next 0/2] tcp: tcp_tx_timestamp() fix From: Eric Dumazet To: "David S . Miller" , Jakub Kicinski , Paolo Abeni Cc: Simon Horman , Neal Cardwell , Kuniyuki Iwashima , netdev@vger.kernel.org, eric.dumazet@gmail.com, Eric Dumazet Content-Type: text/plain; charset="UTF-8" Fix an old bug in tcp_tx_timestamp(). Add one corresponding packetdrill test. Eric Dumazet (2): tcp: tcp_tx_timestamp() must look at the rtx queue selftest: packetdrill: add tcp_timestamping_tcp_tx_timestamp_bug.pkt net/ipv4/tcp.c | 3 + .../tcp_timestamping_tcp_tx_timestamp_bug.pkt | 70 +++++++++++++++++++ 2 files changed, 73 insertions(+) create mode 100644 tools/testing/selftests/net/packetdrill/tcp_timestamping_tcp_tx_timestamp_bug.pkt -- 2.53.0.rc1.217.geba53bf80e-goog