From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yx2-f13.google.com (mail-yx2-f13.google.com [74.125.224.141]) (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 782FE3264D2 for ; Sun, 13 Sep 2026 17:16:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.224.141 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789319786; cv=none; b=LY6fWQg9l699V20MNpIsAF15RDu7TMWzCLCKkWiEK0w/F7TTk7vKcJhWlz/jDzpA4M6FHczNKzDk46AbnJ1PDtw3RjYg4OpFjStZYSLcZdoiPv3KIWpxzXQd2FRU2roR2zFNLr8ytykvU+9wPF6vBa94fnKcWe9qwZvO3t3j4ss= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789319786; c=relaxed/simple; bh=GsiEyTTtrFkVeKzI3GAUfho2KDexrIR9NK7lLBsu+4A=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=utW78iYpgM+7o/MuD4x7BrevxuAFrJFuBBmOpu5ieQ/mFzJyeiSa642KZ2yNi1/Tw7z1LpU45jSyJzae1oKRjfotbz0YgN1YEnG/hb55A50BZzPmSxJ2GP6oRJ5kG4rBEhAlVoZzpQVrfzDqZvdmODG+rhM/h0ajd+DO8G9R5XE= 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=E+sgWtQh; arc=none smtp.client-ip=74.125.224.141 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="E+sgWtQh" Received: by mail-yx2-f13.google.com with SMTP id 00721157ae682-85d4eb63f0aso4202387b3.1 for ; Sun, 13 Sep 2026 10:16:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1789319779; x=1789924579; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=gqTg4s+n4SjPh/18VLqNSc11mHpOLMKDJqGb8N0vbEM=; b=E+sgWtQhBT94/APMPFgCqEi569++/4Se6crJvHA7vLwu/VewoIrsklYyaqD543IejV BqB3iWUQ0GdLD/QQX3YP1Xhr6Sx9YUOgwAhnnqD4PnOlm0LMwasE052P7AyVPoFO6+d4 CwwPMxwL8WkxIvmzN5UB++fC+1P189uwR9RjJMqiC7MGOD+IeMV7s+S2d+gc0eterJE7 KH6oIiJdMGO6xLMEsIsnHnQDPl/GiOJYLAV2XlDxb7yQcl8zy9YP0MdUjCDGDbeX1e9x YEJKOF7LDTCVeAz10PYXiSiQCPQKA+DFEe5BQCrlZiDlwIjyRHNf1sHmt2D6q4ZO8oAY u/fg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1789319779; x=1789924579; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=gqTg4s+n4SjPh/18VLqNSc11mHpOLMKDJqGb8N0vbEM=; b=Ny9eozslNOtZ64VM/wDtfD9n+DfB314Udq/ohxqF/LzxxhvnGS/LsOM+nONVrmgu4l 97Dfg04CMCjlMO2aFTIA0pR3VrN+Qt5n0KXzKVTSmvBdHA96xBbc6h5tyQHOT5uCajp/ zHijdKxBCh/VqmD5NoTKuJgfQn4pVdqzDGnNiJDh5KG6I3kbHD0s+bpIk2sRUkjtFwe5 flrcqsl6wXYCRTsHqyXJTAnC3ONSvffK+K6a82mnNj6hpds5kaOz/zjvLRvVKfB/mkmm LPu5MZuNywBkAIJnqqtbFHgYW0gYc5ZhiJ8ISseVhmDfCrDvJvmWjYTNmyUx8cP4tfzC wn2Q== X-Forwarded-Encrypted: i=1; AKwUvBzzZukAaDpfNyCYtJHEHuXHgK0oIq0zUxrx1YAPFoAuc/cD8ZVMtlGiR2/3hdBd3ZJ11IJv344=@vger.kernel.org X-Gm-Message-State: AFuF++la7BKbk+0P69zdu0GallxFvT12UtOTnTQxveYuNi04m/q9Txa+ ZSz83SszANqGuon2YHMKIJ8aefiiiRKyh+Pyv6yVUjNeAUbTcJ13XQLw X-Gm-Gg: AYBFou0N6oIxAwfSzVFm8QcjlzrCknkDujE0cm8tcWA83yhLCIrmAIsH9OSLzxWUUuD P0ydS+7L3Pox4lcG8ousGEsxJVCEaX+u+e/yEiEmZNFZ+mP+2ZCAZwpzPl0Xk84mMeGskpLj5NM MU5TGN/jFZclOEyceojsYjTQWBkg3rBk727i/HwiKu4oHbdGUXNx70o964wgiyn5TG2PH/Mx/8h lGId0a9dRmqrCWdxZDmHReHiMzDuxUfFcWOmz5Cu3UbZ4dTEyIelnYjks2h1NRbkewuFMoxvKfE cJAp908FCQK/mpQQ/1m4AJ641FKMFQ+WpFDew4+RO+kTshGsQi8utnoccZ4gD4KCpThGGbtRRKM Nkan9JBeWhBcdMlpaqE/w7ZOVAUQ1qP2pqse6GVG9tS9ZzyDqlzJ6n7VkLhrpb0DH7gf41A6meX MCNlsz3m0LmrvItsRf2aE/PD8t+YIGpUoQQOYesL71wQFeZ1KrCRMYI6RLf1evKg== X-Received: by 2002:a05:690c:dc5:b0:81e:d001:e0ca with SMTP id 00721157ae682-88a8d2cc57dmr4418897b3.17.1789319779206; Sun, 13 Sep 2026 10:16:19 -0700 (PDT) Received: from devobuntu.lan ([2600:6c5c:6b00:316::23]) by smtp.gmail.com with ESMTPSA id 00721157ae682-8847db4476bsm29210607b3.5.2026.09.13.10.16.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 13 Sep 2026 10:16:18 -0700 (PDT) From: Matt Vollrath To: intel-wired-lan@lists.osuosl.org Cc: Tony Nguyen , Przemek Kitszel , Andrew Lunn , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , netdev@vger.kernel.org, Matt Vollrath Subject: [PATCH iwl-net v2 0/2] e1000e: fix Rx DMA error handling Date: Sun, 13 Sep 2026 13:15:53 -0400 Message-ID: <20260913171555.89537-1-tactii@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Fix some longstanding bugs in Rx DMA error handling. These two patches eliminate some conditions which would result in DMA_MAPPING_ERROR being sent to h/w or to dma_unmap_page() or dma_unmap_single(). A teardown leak in the packet-splitting path is also fixed by a necessary refactor. v2: * Renamed series from "e1000e: fix Rx bugs" * Removed RXALL buffer overrun fix from the series. RXALL bugs will be fixed in a separate series. * Reworded patch commit messages. Matt Vollrath (2): e1000e: fix Rx skb DMA map error sentinel e1000e: fix ps_pages DMA map error sentinel drivers/net/ethernet/intel/e1000e/netdev.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-) base-commit: 78445023439506ebd83b86d40b1e428a3b309d4a -- 2.43.0