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=-13.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,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 6C914C43444 for ; Fri, 11 Jan 2019 15:02:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 35A3020874 for ; Fri, 11 Jan 2019 15:02:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1547218971; bh=8Ct0WBjgAig/D7RBqR4P4x68grFhHIcU4hjcxW88ycg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ukhNkwRxBsyuUPW8MCc6ch/ZAlfb18dsBHlkcWguiGKcDPIHMmAqdILELRh24dvLR dowTOj7nb/CZXO0jgr1rGUL3j9HdtQdgFoso3PWHke0rzLOqb/Q5UST0a383gosI12 ZtGrUox4U1NmhYJc2MXCATROBzjpTEDskc5lwYO4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389159AbfAKObX (ORCPT ); Fri, 11 Jan 2019 09:31:23 -0500 Received: from mail.kernel.org ([198.145.29.99]:50938 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387868AbfAKObU (ORCPT ); Fri, 11 Jan 2019 09:31:20 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7C13121841; Fri, 11 Jan 2019 14:31:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1547217080; bh=8Ct0WBjgAig/D7RBqR4P4x68grFhHIcU4hjcxW88ycg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zOrT4GAJ/cNaPzuQ3dYEclKkidevxuVBX6ID1chVA0UvTFibeZY0lymBjQFQmnKlf NZ0/p/8oVReLSthCYJAwylgYiUomftQafvnawd0MvxOX9UueuI7O4EoqCRUlDyfJ++ FY/n8TkEyyMBwSXhl5dB3RogzeOl4I2sEhEujQbc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Yonglong Liu , Peng Li , "David S. Miller" , Sasha Levin Subject: [PATCH 4.14 035/105] net: hns: Clean rx fbd when ae stopped. Date: Fri, 11 Jan 2019 15:14:06 +0100 Message-Id: <20190111131106.174381532@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190111131102.899065735@linuxfoundation.org> References: <20190111131102.899065735@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit 31f6b61d810654fb3ef43f4d8afda0f44b142fad ] If there are packets in hardware when changing the speed or duplex, it may cause hardware hang up. This patch adds the code to wait rx fbd clean up when ae stopped. Signed-off-by: Yonglong Liu Signed-off-by: Peng Li Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c index bf930ab3c2bd..a185a8be7999 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ae_adapt.c @@ -379,6 +379,9 @@ void hns_ae_stop(struct hnae_handle *handle) hns_ae_ring_enable_all(handle, 0); + /* clean rx fbd. */ + hns_rcb_wait_fbd_clean(handle->qs, handle->q_num, RCB_INT_FLAG_RX); + (void)hns_mac_vm_config_bc_en(mac_cb, 0, false); } -- 2.19.1