[dpdk-dev] [PATCH v 4/4] net/hns3: add checking tso segsz when sending TSO packets

Wei Hu (Xavier) xavier.huwei at huawei.com
Sat Jun 6 03:06:48 CEST 2020



On 2020/6/5 17:44, Ferruh Yigit wrote:
> On 6/5/2020 9:50 AM, Wei Hu (Xavier) wrote:
>>
>> On 2020/6/5 0:56, Ferruh Yigit wrote:
>>> On 6/3/2020 10:32 AM, Wei Hu (Xavier) wrote:
>>>> From: Hongbo Zheng <zhenghongbo3 at huawei.com>
>>>>
>>>> Base on hns3 network engine, when the rte_eth_tx_burst API is called
>>>> by Upper Level Process, if PKT_TX_TCP_SEG flag is set and tso_segsz
>>>> is 0 in the input parameter structure rte_mbuf, hns3 PMD driver will
>>>> process this packet as an non-TSO packet, otherwise hardware will enter
>>>> an abnormal state.
>>> What is ULP (Upper Level Process)?
>>>
>>> And OK to have this fix but why 'tso_segsz' is zero when 'PKT_TX_TCP_SEG' is
>>> set, shouldn't this needs to fixed in app level?
>> ULP is our own test application.
> OK. Is it open source?
We have do some modification on the basis of the current DPDK test program,
as our own internal test program.
But it is not perfect enough, so there is not open source.

Thanks, Xavier
>> The process is added to the driver to ensure If the upper application
>> called the API
>> in the wrong way, it will still not cause serious abnormalities in
>> network engine.
>>
>> Thanks, Xavier
>>>> Fixes: 6dca716c9e1d ("net/hns3: support TSO")
>>>> Cc: stable at dpdk.org
>>>>
>>>> Signed-off-by: Hongbo Zheng <zhenghongbo3 at huawei.com>
>>>> Signed-off-by: Wei Hu (Xavier) <xavier.huwei at huawei.com>
>>> <...>
>>>
>>>
>



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