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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>
Subject: [dpdk-dev] [PATCH] lib/librte_net: fix bug for ipv4 checksum calculating
Date: Tue, 26 May 2020 18:08:05 +0800
Message-ID: <20200526100805.24896-1-guohongzhi1@huawei.com> (raw)

From: Hongzhi Guo <guohongzhi1@huawei.com>

0xffff is invalid for IPv4 checksum(RFC1624)

Fixes: 6006818cfb26 ("net: new checksum functions")
Cc: stable@dpdk.org

Reviewed-By: Morten Brørup <mb@smartsharesystems.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>

Signed-off-by: Hongzhi Guo <guohongzhi1@huawei.com>
---
 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



             reply	other threads:[~2020-05-26 10:08 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-26 10:08 guohongzhi [this message]
2020-06-24 11:53 ` Thomas Monjalon
  -- strict thread matches above, loose matches on Subject: below --
2020-05-26  9:16 guohongzhi
2020-05-26  9:31 ` Morten Brørup
2020-05-14  1:27 guohongzhi
2020-05-24 15:22 ` Thomas Monjalon

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