From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8CAF0C433E0 for ; Mon, 29 Jun 2020 19:25:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6A26D20663 for ; Mon, 29 Jun 2020 19:25:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593458737; bh=ChTL6Zpp6VFyxhQl5HlLme+O9W/F52bSbqdY44CyKVo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=NmzidVAC3QZByMRtj8S3XsBLlSeflJzM1CRMsM0dX93jn0lq2AXeLx4T2700UEAvx V9wjBq/TTDOpKqHkhcVLA/tRm5tjM9Tq7BNV0IufFmbguwvaC7C8XOzu2YaZiyJJim Q0j96E5hW3ZWKF7gVFiPeGlxV4pwtefzqQPBs+CA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731878AbgF2TZf (ORCPT ); Mon, 29 Jun 2020 15:25:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:37016 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732474AbgF2TZT (ORCPT ); Mon, 29 Jun 2020 15:25:19 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1024E253F4; Mon, 29 Jun 2020 15:42:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593445335; bh=ChTL6Zpp6VFyxhQl5HlLme+O9W/F52bSbqdY44CyKVo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PyFgbiRZM8Ywh9235B44ra+4MrEZSDTts51d3svzbjAHDfKHkrZz6jfWXJrj+RKu8 /Zf/O4ux87bLz5Nf4wrrqvevE/swDjCEVzLgF1MXpkSWT2DHEzj5BYJh1aOm1qUlkm rJZrgYDwGXkDIYVFIjv/eTNw8QxAaJQyosA1rLzw= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Chen Yu , "Rafael J. Wysocki" , Andy Shevchenko , Stable@vger.kernel.org, Aaron Brown , Jeff Kirsher , Sasha Levin Subject: [PATCH 4.9 096/191] e1000e: Do not wake up the system via WOL if device wakeup is disabled Date: Mon, 29 Jun 2020 11:38:32 -0400 Message-Id: <20200629154007.2495120-97-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200629154007.2495120-1-sashal@kernel.org> References: <20200629154007.2495120-1-sashal@kernel.org> MIME-Version: 1.0 X-KernelTest-Patch: http://kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.9.229-rc1.gz X-KernelTest-Tree: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git X-KernelTest-Branch: linux-4.9.y X-KernelTest-Patches: git://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git X-KernelTest-Version: 4.9.229-rc1 X-KernelTest-Deadline: 2020-07-01T15:39+00:00 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chen Yu [ Upstream commit 6bf6be1127f7e6d4bf39f84d56854e944d045d74 ] Currently the system will be woken up via WOL(Wake On LAN) even if the device wakeup ability has been disabled via sysfs: cat /sys/devices/pci0000:00/0000:00:1f.6/power/wakeup disabled The system should not be woken up if the user has explicitly disabled the wake up ability for this device. This patch clears the WOL ability of this network device if the user has disabled the wake up ability in sysfs. Fixes: bc7f75fa9788 ("[E1000E]: New pci-express e1000 driver") Reported-by: "Rafael J. Wysocki" Reviewed-by: Andy Shevchenko Cc: Signed-off-by: Chen Yu Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/e1000e/netdev.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index be324b4761eb6..3c01bc43889a2 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -6315,11 +6315,17 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime) struct net_device *netdev = pci_get_drvdata(pdev); struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; - u32 ctrl, ctrl_ext, rctl, status; - /* Runtime suspend should only enable wakeup for link changes */ - u32 wufc = runtime ? E1000_WUFC_LNKC : adapter->wol; + u32 ctrl, ctrl_ext, rctl, status, wufc; int retval = 0; + /* Runtime suspend should only enable wakeup for link changes */ + if (runtime) + wufc = E1000_WUFC_LNKC; + else if (device_may_wakeup(&pdev->dev)) + wufc = adapter->wol; + else + wufc = 0; + status = er32(STATUS); if (status & E1000_STATUS_LU) wufc &= ~E1000_WUFC_LNKC; @@ -6377,7 +6383,7 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime) e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw); } else if ((hw->mac.type == e1000_pch_lpt) || (hw->mac.type == e1000_pch_spt)) { - if (!(wufc & (E1000_WUFC_EX | E1000_WUFC_MC | E1000_WUFC_BC))) + if (wufc && !(wufc & (E1000_WUFC_EX | E1000_WUFC_MC | E1000_WUFC_BC))) /* ULP does not support wake from unicast, multicast * or broadcast. */ -- 2.25.1