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=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 381B9C43603 for ; Tue, 10 Dec 2019 21:34:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0429A208C3 for ; Tue, 10 Dec 2019 21:34:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576013657; bh=xywczJzetoKSO5dA4QTPojRAEgE8VkI+wLHVuwEcExE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=oi93tPtdq6rDvVc6nJCEa6kLJVBWY370nQlpz2bqb6UZPEPmCbLsbA9vW/nCCqH/q 5UlsFS7IrcRFJFGLc1HcCa9KLS0RRNgx2EVEEJEilzxoFA2lkeRkuP9ADYLpqhNAAq wytLBfmHlAfvgNdaHkdlquHnjl1CHUqvgxPm48DY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729522AbfLJVeP (ORCPT ); Tue, 10 Dec 2019 16:34:15 -0500 Received: from mail.kernel.org ([198.145.29.99]:39132 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729966AbfLJVeM (ORCPT ); Tue, 10 Dec 2019 16:34:12 -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 86252214AF; Tue, 10 Dec 2019 21:34:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576013651; bh=xywczJzetoKSO5dA4QTPojRAEgE8VkI+wLHVuwEcExE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EHIHJn3icpZgx9jG07ycvGpciDlU9DMldVCMjZd75oY25qBhdpwKc8zF3AxA5wF9M KuIg/zBmF4EGTbYTgTpJaSTKDZyAp6lzExPKhf9Bqjy9WLQ0YWQM8BoxbUUbyfVekD OX+NYMkADdc4Ys6zsLAfNfHKLt0SeaIJvbHM+lK0= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Yunsheng Lin , Huazhong Tan , "David S . Miller" , Sasha Levin , netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 090/177] net: hns3: add struct netdev_queue debug info for TX timeout Date: Tue, 10 Dec 2019 16:30:54 -0500 Message-Id: <20191210213221.11921-90-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191210213221.11921-1-sashal@kernel.org> References: <20191210213221.11921-1-sashal@kernel.org> MIME-Version: 1.0 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: Yunsheng Lin [ Upstream commit 647522a5ef6401dcdb8ec417421e43fb21910167 ] When there is a TX timeout, we can tell if the driver or stack has stopped the queue by looking at state field, and when has the last packet transmited by looking at trans_start field. So this patch prints these two field in the hns3_get_tx_timeo_queue_info(). Signed-off-by: Yunsheng Lin Signed-off-by: Huazhong Tan Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index b2860087a7dc7..cb5f88f68b016 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -1474,6 +1474,9 @@ static bool hns3_get_tx_timeo_queue_info(struct net_device *ndev) time_after(jiffies, (trans_start + ndev->watchdog_timeo))) { timeout_queue = i; + netdev_info(ndev, "queue state: 0x%lx, delta msecs: %u\n", + q->state, + jiffies_to_msecs(jiffies - trans_start)); break; } } -- 2.20.1