From patchwork Fri Nov 27 08:47:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Huazhong Tan X-Patchwork-Id: 11935171 X-Patchwork-Delegate: kuba@kernel.org 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,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 207BFC64E7A for ; Fri, 27 Nov 2020 08:48:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E6F202224A for ; Fri, 27 Nov 2020 08:48:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729488AbgK0Irt (ORCPT ); Fri, 27 Nov 2020 03:47:49 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:7746 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728731AbgK0Irr (ORCPT ); Fri, 27 Nov 2020 03:47:47 -0500 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4Cj7Xw3qSwzkhCS; Fri, 27 Nov 2020 16:47:12 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.487.0; Fri, 27 Nov 2020 16:47:34 +0800 From: Huazhong Tan To: CC: , , , , , , Huazhong Tan Subject: [PATCH net-next 6/7] net: hns3: add a check for devcie's verion in hns3_tunnel_csum_bug() Date: Fri, 27 Nov 2020 16:47:21 +0800 Message-ID: <1606466842-57749-7-git-send-email-tanhuazhong@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1606466842-57749-1-git-send-email-tanhuazhong@huawei.com> References: <1606466842-57749-1-git-send-email-tanhuazhong@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org For the device whose version is above V3(include V3), the hardware can do checksum offload for the non-tunnel udp packet, who has a dest port as the IANA assigned. So add a check for devcie's verion in hns3_tunnel_csum_bug(). Signed-off-by: Huazhong Tan --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 07bdb3d5..b51bf61 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -828,8 +828,16 @@ static int hns3_get_l4_protocol(struct sk_buff *skb, u8 *ol4_proto, */ static bool hns3_tunnel_csum_bug(struct sk_buff *skb) { + struct hns3_nic_priv *priv = netdev_priv(skb->dev); + struct hnae3_ae_dev *ae_dev = pci_get_drvdata(priv->ae_handle->pdev); union l4_hdr_info l4; + /* device version above V3(include V3), the hardware can + * do this checksum offload. + */ + if (ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3) + return false; + l4.hdr = skb_transport_header(skb); if (!(!skb->encapsulation &&