From patchwork Wed Sep 20 10:52:54 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunsheng Lin X-Patchwork-Id: 816142 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3xxxTV57jVz9s7c for ; Wed, 20 Sep 2017 20:54:54 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752097AbdITKyg (ORCPT ); Wed, 20 Sep 2017 06:54:36 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:6505 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751916AbdITKx0 (ORCPT ); Wed, 20 Sep 2017 06:53:26 -0400 Received: from 172.30.72.59 (EHLO DGGEMS407-HUB.china.huawei.com) ([172.30.72.59]) by dggrg04-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id DHP73802; Wed, 20 Sep 2017 18:53:24 +0800 (CST) Received: from localhost.localdomain (10.67.212.75) by DGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP Server id 14.3.301.0; Wed, 20 Sep 2017 18:53:13 +0800 From: Yunsheng Lin To: CC: , , , , , , , , , , , Subject: [PATCH net 5/9] net: hns3: Fix for rx_priv_buf_alloc not setting rx shared buffer Date: Wed, 20 Sep 2017 18:52:54 +0800 Message-ID: <1505904778-53217-6-git-send-email-linyunsheng@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1505904778-53217-1-git-send-email-linyunsheng@huawei.com> References: <1505904778-53217-1-git-send-email-linyunsheng@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A0B0205.59C248A4.0108, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 72ef87d0267fa6d1ebfe21ba86efed95 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org rx_priv_buf_alloc is used to tell hardware how much buffer is used for rx direction, right now only the private buffer is assigned. For ae_dev that doesn't support DCB, private rx buffer is assigned to zero, only shared rx buffer is used. So not setting the shared rx buffer cause dropping of packet in SSU. Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support") Signed-off-by: Yunsheng Lin --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h | 3 ++- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 4 ++++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h index 30e2ad5..758cf39 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h @@ -270,7 +270,8 @@ struct hclge_tx_buff_alloc { struct hclge_rx_priv_buff { __le16 buf_num[HCLGE_TC_NUM]; - u8 rsv[8]; + __le16 shared_buf; + u8 rsv[6]; }; struct hclge_query_version { diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index bf3179a..c08c41f 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -1622,6 +1622,10 @@ static int hclge_rx_priv_buf_alloc(struct hclge_dev *hdev) cpu_to_le16(true << HCLGE_TC0_PRI_BUF_EN_B); } + req->shared_buf = + cpu_to_le16((hdev->s_buf.buf_size >> HCLGE_BUF_UNIT_S) | + (1 << HCLGE_TC0_PRI_BUF_EN_B)); + ret = hclge_cmd_send(&hdev->hw, &desc, 1); if (ret) { dev_err(&hdev->pdev->dev,