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To: Jerin Jacob <jerin.jacob@caviumnetworks.com>,
"Dabilpuram, Nithin" <Nithin.Dabilpuram@cavium.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
"Jacob, Jerin" <Jerin.JacobKollanukkaran@cavium.com>,
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<20181109082000.GA4934@jerin>
From: Ferruh Yigit <ferruh.yigit@intel.com>
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Message-ID: <653b50e5-fd7c-3f15-1528-21422ad767d1@intel.com>
Date: Fri, 9 Nov 2018 20:25:52 +0000
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In-Reply-To: <20181109082000.GA4934@jerin>
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Subject: Re: [dpdk-stable] [PATCH] net/thunderx: fix Tx desc corruption in
scatter-gather mode
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On 11/9/2018 8:20 AM, Jerin Jacob wrote:
<...>
>> From: Subrahmanyam Nilla <snilla@caviumnetworks.com>
>>
>> For performance reasons, word1 of send_hdr_s
>> sub descriptor was not cleared assuming it is always
>> having default value of zero since it comes from fixed
>> offsets of SQ buffer.
>> This is causing issues in case of SG mode because,
>> the size of send command might change and hence the word1
>> of send_hdr_s is not always at fixed offsets of the SQ buffer
>> and hence not having default value of zero.
>>
>> This fixes the issue by clearing the word1 in case of SG mode
>> for every packet.
>>
>> Fixes: 1c421f18e0 ("net/thunderx: add single and multi-segment Tx")
>> Cc: stable@dpdk.org
>>
>> Signed-off-by: Subrahmanyam Nilla <snilla@caviumnetworks.com>
>> Signed-off-by: Nithin Dabilpuram <ndabilpuram@caviumnetworks.com>
>> ---
>
> Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Applied to dpdk-next-net/master, thanks.