From: Ferruh Yigit <ferruh.yigit@amd.com>
To: Kaiwen Deng <kaiwenx.deng@intel.com>, dev@dpdk.org
Cc: stable@dpdk.org, qiming.yang@intel.com, yidingx.zhou@intel.com,
Aman Singh <aman.deep.singh@intel.com>,
Yuying Zhang <yuying.zhang@intel.com>,
Olivier Matz <olivier.matz@6wind.com>,
Pablo de Lara <pablo.de.lara.guarch@intel.com>
Subject: Re: [PATCH v2] app/test-pmd: fix tcp/udp cksum with padding data
Date: Thu, 7 Dec 2023 14:35:42 +0000 [thread overview]
Message-ID: <a347b5e2-e46d-48b6-9e1c-2d57bd242c38@amd.com> (raw)
In-Reply-To: <20231207085303.1924630-1-kaiwenx.deng@intel.com>
On 12/7/2023 8:53 AM, Kaiwen Deng wrote:
> IEEE 802 packets may have a minimum size limit. The data fields
> should be padded when necessary. In some cases, the padding data
> is not zero. Testpmd does not trim these IP packets to the true
> length of the frame, so errors will occur when calculating TCP
> or UDP checksum.
>
> This commit fixes this issue by triming IP packets to the true
> length of the frame in testpmd.
>
> Fixes: 03d17e4d0179 ("app/testpmd: do not change IP addrs in checksum engine")
> Cc: stable@dpdk.org
>
> Signed-off-by: Kaiwen Deng <kaiwenx.deng@intel.com>
>
I think decision was to fix 'rte_ipv4_udptcp_cksum_mbuf()' &
'rte_ipv6_udptcp_cksum_mbuf()'.
next prev parent reply other threads:[~2023-12-07 14:35 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-04 8:28 [PATCH] app/test-pmd: fix L4 checksum with padding data Kaiwen Deng
2023-11-02 19:20 ` Ferruh Yigit
2023-11-03 2:49 ` Deng, KaiwenX
2023-11-03 4:03 ` Ferruh Yigit
2023-11-14 2:19 ` Deng, KaiwenX
2023-11-14 19:09 ` Ferruh Yigit
2023-11-16 7:02 ` Deng, KaiwenX
2023-11-16 22:58 ` Stephen Hemminger
2023-11-17 0:50 ` Ferruh Yigit
2023-11-17 3:28 ` Stephen Hemminger
2023-11-17 9:29 ` Ferruh Yigit
2023-11-17 12:11 ` Morten Brørup
2023-11-17 16:23 ` Stephen Hemminger
2023-11-17 16:22 ` Stephen Hemminger
2023-11-20 10:47 ` Ferruh Yigit
2023-11-20 9:21 ` Deng, KaiwenX
2023-11-20 10:46 ` Ferruh Yigit
2023-11-22 3:04 ` Deng, KaiwenX
2023-11-17 1:13 ` Ferruh Yigit
2023-11-20 9:52 ` Deng, KaiwenX
2023-12-07 8:53 ` [PATCH v2] app/test-pmd: fix tcp/udp cksum " Kaiwen Deng
2023-12-07 14:35 ` Ferruh Yigit [this message]
2023-12-12 2:16 ` [PATCH v3] lib/net: " Kaiwen Deng
2023-12-12 8:10 ` Morten Brørup
2023-12-13 4:37 ` [PATCH v4] " Kaiwen Deng
2023-12-13 7:36 ` Morten Brørup
2023-12-14 9:22 ` [PATCH v5] " Kaiwen Deng
2023-12-14 11:20 ` Morten Brørup
2024-02-19 1:10 ` Thomas Monjalon
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