From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id B36E6A04EF; Tue, 26 May 2020 11:16:58 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 55C911DA2F; Tue, 26 May 2020 11:16:57 +0200 (CEST) Received: from huawei.com (szxga04-in.huawei.com [45.249.212.190]) by dpdk.org (Postfix) with ESMTP id 189841D66E for ; Tue, 26 May 2020 11:16:56 +0200 (CEST) Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 5C4983522CE2A5210AE0; Tue, 26 May 2020 17:16:50 +0800 (CST) Received: from DESKTOP-ORJPOMD.china.huawei.com (10.173.251.143) by DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id 14.3.487.0; Tue, 26 May 2020 17:16:43 +0800 From: guohongzhi To: CC: , , , , , , , , , , , Date: Tue, 26 May 2020 17:16:39 +0800 Message-ID: <20200526091639.17640-1-guohongzhi1@huawei.com> X-Mailer: git-send-email 2.21.0.windows.1 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [10.173.251.143] X-CFilter-Loop: Reflected Subject: [dpdk-dev] [PATCH] lib/librte_net: fix bug for ipv4 checksum calculating X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 0xffff is invalid for IPv4 checksum(RFC1624) Fixes: 6006818cfb26 ("net: new checksum functions") Reviewed-By: Morten Brørup Acked-by: Olivier Matz Signed-off-by: guohongzhi --- lib/librte_net/rte_ip.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/librte_net/rte_ip.h b/lib/librte_net/rte_ip.h index 1ceb7b7..ece2e43 100644 --- a/lib/librte_net/rte_ip.h +++ b/lib/librte_net/rte_ip.h @@ -267,7 +267,7 @@ rte_ipv4_cksum(const struct rte_ipv4_hdr *ipv4_hdr) { uint16_t cksum; cksum = rte_raw_cksum(ipv4_hdr, sizeof(struct rte_ipv4_hdr)); - return (cksum == 0xffff) ? cksum : (uint16_t)~cksum; + return (uint16_t)~cksum; } /** -- 2.21.0.windows.1