From patchwork Wed May 27 13:40:09 2020
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
X-Patchwork-Submitter: Hongzhi Guo <guohongzhi1@huawei.com>
X-Patchwork-Id: 70644
X-Patchwork-Delegate: thomas@monjalon.net
Return-Path: <dev-bounces@dpdk.org>
X-Original-To: patchwork@inbox.dpdk.org
Delivered-To: patchwork@inbox.dpdk.org
Received: from dpdk.org (dpdk.org [92.243.14.124])
	by inbox.dpdk.org (Postfix) with ESMTP id EDC03A034E;
	Wed, 27 May 2020 15:40:23 +0200 (CEST)
Received: from [92.243.14.124] (localhost [127.0.0.1])
	by dpdk.org (Postfix) with ESMTP id 649AE1DAC7;
	Wed, 27 May 2020 15:40:23 +0200 (CEST)
Received: from huawei.com (szxga05-in.huawei.com [45.249.212.191])
 by dpdk.org (Postfix) with ESMTP id 467F91DABB;
 Wed, 27 May 2020 15:40:22 +0200 (CEST)
Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.59])
 by Forcepoint Email with ESMTP id D9B4E2D7999D080DC1A7;
 Wed, 27 May 2020 21:40:19 +0800 (CST)
Received: from DESKTOP-ORJPOMD.china.huawei.com (10.173.251.143) by
 DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id
 14.3.487.0; Wed, 27 May 2020 21:40:13 +0800
From: guohongzhi <guohongzhi1@huawei.com>
To: <dev@dpdk.org>
CC: <stable@dpdk.org>, <olivier.matz@6wind.com>, <mb@smartsharesystems.com>,
 <konstantin.ananyev@intel.com>, <jiayu.hu@intel.com>,
 <ferruh.yigit@intel.com>, <nicolas.chautru@intel.com>,
 <cristian.dumitrescu@intel.com>, <zhoujingbin@huawei.com>,
 <chenchanghu@huawei.com>, <jerry.lilijun@huawei.com>,
 <haifeng.lin@huawei.com>, <guohongzhi1@huawei.com>
Date: Wed, 27 May 2020 21:40:09 +0800
Message-ID: <20200527134009.19444-1-guohongzhi1@huawei.com>
X-Mailer: git-send-email 2.21.0.windows.1
MIME-Version: 1.0
X-Originating-IP: [10.173.251.143]
X-CFilter-Loop: Reflected
Subject: [dpdk-dev] [PATCH] bugfix: rte_raw_checksum
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

From: Hongzhi Guo <guohongzhi1@huawei.com>

__rte_raw_cksum should consider Big Endian.

Signed-off-by: Hongzhi Guo <guohongzhi1@huawei.com>
Acked-by: Morten Brørup <mb@smartsharesystems.com>
---
 lib/librte_net/rte_ip.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/librte_net/rte_ip.h b/lib/librte_net/rte_ip.h
index 1ceb7b7..eb863d4 100644
--- a/lib/librte_net/rte_ip.h
+++ b/lib/librte_net/rte_ip.h
@@ -140,7 +140,11 @@ __rte_raw_cksum(const void *buf, size_t len, uint32_t sum)
 
 	/* if length is in odd bytes */
 	if (len == 1)
+#if (RTE_BYTE_ORDER == RTE_BIG_ENDIAN)
+		sum += *((const uint8_t *)u16_buf) << 8;
+#else
 		sum += *((const uint8_t *)u16_buf);
+#endif
 
 	return sum;
 }