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,USER_AGENT_GIT autolearn=ham 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 BEDCEC3F2CD for ; Tue, 3 Mar 2020 02:48:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 89B4F246D6 for ; Tue, 3 Mar 2020 02:48:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583203719; bh=ujHYlmvzzmARpzykN3UJl7tQFXD5glbjjzu9OoZqoc4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Mwz5AZxwZ+gSu+uNZ9Cxf8nmzqJdWwzAs3G+rryx0m8pSjGbzyTdFW2CjMPosybCz jIxxqtI5HIv/NMUPBRTqhjZ/pUKQcMS/j/HkKPqRnrwhOAUqSHZkbmBgP02Fwb8xVW Utf36/iDI9bNCy7Iq4DLb8guVWnRZv50vLlNwVxY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728480AbgCCCsh (ORCPT ); Mon, 2 Mar 2020 21:48:37 -0500 Received: from mail.kernel.org ([198.145.29.99]:44464 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728467AbgCCCsh (ORCPT ); Mon, 2 Mar 2020 21:48:37 -0500 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 A0214246D5; Tue, 3 Mar 2020 02:48:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583203716; bh=ujHYlmvzzmARpzykN3UJl7tQFXD5glbjjzu9OoZqoc4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mCbK/NiQMUcFcCo7Fg383r9rVy27soXJ4BKpunCau8qKalfceY/WWAZNDBBonOJla z7FLjKQmgA0DFEMaUQpji9ovgzX1jjPGd5XYLIs3hDdNSlw45GDEowLBOR+fRuDryA tLYMzOWfXh0zqgyEn+6LWMOt+hmkkiQ/ynra2YTI= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Michal Swiatkowski , Andrew Bowers , Jeff Kirsher , Sasha Levin , intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 46/58] ice: Don't tell the OS that link is going down Date: Mon, 2 Mar 2020 21:47:28 -0500 Message-Id: <20200303024740.9511-46-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200303024740.9511-1-sashal@kernel.org> References: <20200303024740.9511-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Michal Swiatkowski [ Upstream commit 8a55c08d3bbc9ffc9639f69f742e59ebd99f913b ] Remove code that tell the OS that link is going down when user change flow control via ethtool. When link is up it isn't certain that link goes down after 0x0605 aq command. If link doesn't go down, OS thinks that link is down, but physical link is up. To reset this state user have to take interface down and up. If link goes down after 0x0605 command, FW send information about that and after that driver tells the OS that the link goes down. So this code in ethtool is unnecessary. Signed-off-by: Michal Swiatkowski Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/ice/ice_ethtool.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c index 1fe9f6050635d..62673e27af0e8 100644 --- a/drivers/net/ethernet/intel/ice/ice_ethtool.c +++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c @@ -2916,13 +2916,6 @@ ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) else return -EINVAL; - /* Tell the OS link is going down, the link will go back up when fw - * says it is ready asynchronously - */ - ice_print_link_msg(vsi, false); - netif_carrier_off(netdev); - netif_tx_stop_all_queues(netdev); - /* Set the FC mode and only restart AN if link is up */ status = ice_set_fc(pi, &aq_failures, link_up); -- 2.20.1