Re: [dpdk-dev] [Linuxarm] Re: [PATCH V3] ethdev: add queue state when retrieve queue information

[oulijun <oulijun@huawei.com>]

在 2021/4/15 20:45, Ferruh Yigit 写道:
> On 4/15/2021 1:36 PM, Thomas Monjalon wrote:
>> 15/04/2021 14:33, Ferruh Yigit:
>>> On 4/15/2021 3:40 AM, Lijun Ou wrote:
>>>> Currently, upper-layer application could get queue state only
>>>> through pointers such as dev->data->tx_queue_state[queue_id],
>>>> this is not the recommended way to access it. So this patch
>>>> add get queue state when call rte_eth_rx_queue_info_get and
>>>> rte_eth_tx_queue_info_get API.
>>>>
>>>> Note: After add queue_state field, the 'struct rte_eth_rxq_info' size
>>>> remains 128B, and the 'struct rte_eth_txq_info' size remains 64B, so
>>>> it could be ABI compatible.
>>>>
>>>> Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
>>>> Signed-off-by: Lijun Ou <oulijun@huawei.com>
>>>
>>> Looks good to me, but it is causing an ABI error as we already 
>>> discussed before
>>> as that is false positive.
>>>
>>>
>>> Ray, David,
>>>
>>> Should we add any exception to libabigail.abignore for this?
>>
>> We do not tolerate any ABI warning.
>> If we are sure the ABI change is false positive,
>> it must be suppressed in libabigail.abignore in the same patch.
>>
> 
> A new field is added to public structs, but struct size or the location 
> of the existing fields are not changing (struct is cache aligned).
> 
> Can you please support how this can be added to 'libabigail.abignore'?
> 
> Lijun can you please send a new version with 'libabigail.abignore' update?
> 
Yes, I can do that. But at the moment I don't know how to update 
libabigil.abinore. I don't know where to modify
Is there any relevant documentation?
> Thanks,
> ferruh
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