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From: Ferruh Yigit <ferruh.yigit@amd.com>
To: Jiawen Wu <jiawenwu@trustnetic.com>, dev@dpdk.org
Subject: Re: [PATCH v2 07/13] net/txgbe: add Tx descriptor error statistics
Date: Fri, 1 Nov 2024 02:45:52 +0000	[thread overview]
Message-ID: <8039e56a-a73f-4f7e-ae2a-366ce79071ef@amd.com> (raw)
In-Reply-To: <03d001db2c02$ba5ac830$2f105890$@trustnetic.com>

On 11/1/2024 2:06 AM, Jiawen Wu wrote:
>>> @@ -4980,6 +4982,7 @@ txgbe_tx_queue_clear_error(void *param)
>>>  		if (!txq->resetting)
>>>  			continue;
>>>
>>> +		txq->desc_error++;
>>>
>>
>> Why error value is increased in this function, which resets the Tx queue?
>> Is the intention to reset the error value here?
> 
> When there is a desc error to cause Tx ring hang,  the interrupt directs to
> reset of the queue. So we increase the error count in the specific queue
> reset function. The queue is reset, but the error that led to the resetting
> is recorded. The error count is only reset at the setup function.
> 

Got it. But this variable counts number of bad packets. Increasing it
when Tx ring hang too may be confusing as there are two different
reasons to increase the counter.

Btw, .stats_reset() needs to reset this error stat.

  reply	other threads:[~2024-11-01  2:46 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-23  6:48 [PATCH 00/13] Wangxun fixes Jiawen Wu
2024-10-23  6:48 ` [PATCH 01/13] net/txgbe: fix swfw mbox failure Jiawen Wu
2024-10-23  6:48 ` [PATCH 02/13] net/txgbe: fix VF-PF mbox interrupt Jiawen Wu
2024-10-23  6:48 ` [PATCH 03/13] net/txgbe: remove outer UDP checksum capability Jiawen Wu
2024-10-23  6:48 ` [PATCH 04/13] net/txgbe: fix driver load bit to inform firmware Jiawen Wu
2024-10-23  6:48 ` [PATCH 05/13] net/txgbe: enable Tx descriptor error interrupt Jiawen Wu
2024-10-23  6:48 ` [PATCH 06/13] net/txgbe: check length of Tx packets Jiawen Wu
2024-10-23  6:48 ` [PATCH 07/13] net/txgbe: add Tx descriptor error statistics Jiawen Wu
2024-10-23  6:48 ` [PATCH 08/13] net/ngbe: check length of Tx packets Jiawen Wu
2024-10-23  6:48 ` [PATCH 09/13] net/ngbe: add Tx descriptor error statistics Jiawen Wu
2024-10-23  6:48 ` [PATCH 10/13] net/ngbe: fix driver load bit to inform firmware Jiawen Wu
2024-10-23  6:48 ` [PATCH 11/13] net/ngbe: reconfigure more MAC Rx registers Jiawen Wu
2024-10-23  6:48 ` [PATCH 12/13] net/ngbe: fix interrupt lost in legacy or MSI mode Jiawen Wu
2024-10-23  6:48 ` [PATCH 13/13] net/ngbe: restrict configuration of VLAN strip offload Jiawen Wu
2024-10-28  2:31 ` [PATCH v2 00/13] Wangxun fixes Jiawen Wu
2024-10-28  2:31   ` [PATCH v2 01/13] net/txgbe: fix swfw mbox failure Jiawen Wu
2024-10-28  2:31   ` [PATCH v2 02/13] net/txgbe: fix VF-PF mbox interrupt Jiawen Wu
2024-10-28  2:31   ` [PATCH v2 03/13] net/txgbe: remove outer UDP checksum capability Jiawen Wu
2024-10-28  2:31   ` [PATCH v2 04/13] net/txgbe: fix driver load bit to inform firmware Jiawen Wu
2024-10-28  2:31   ` [PATCH v2 05/13] net/txgbe: enable Tx descriptor error interrupt Jiawen Wu
2024-10-28  2:31   ` [PATCH v2 06/13] net/txgbe: check length of Tx packets Jiawen Wu
2024-11-01  1:22     ` Ferruh Yigit
2024-11-01  1:52       ` Jiawen Wu
2024-11-01  2:49         ` Ferruh Yigit
2024-11-01  2:56       ` Stephen Hemminger
2024-10-28  2:31   ` [PATCH v2 07/13] net/txgbe: add Tx descriptor error statistics Jiawen Wu
2024-11-01  1:33     ` Ferruh Yigit
2024-11-01  2:06       ` Jiawen Wu
2024-11-01  2:45         ` Ferruh Yigit [this message]
2024-11-01  3:05           ` Jiawen Wu
2024-10-28  2:31   ` [PATCH v2 08/13] net/ngbe: check length of Tx packets Jiawen Wu
2024-10-28  2:31   ` [PATCH v2 09/13] net/ngbe: add Tx descriptor error statistics Jiawen Wu
2024-10-28  2:31   ` [PATCH v2 10/13] net/ngbe: fix driver load bit to inform firmware Jiawen Wu
2024-10-28  2:31   ` [PATCH v2 11/13] net/ngbe: reconfigure more MAC Rx registers Jiawen Wu
2024-10-28  2:31   ` [PATCH v2 12/13] net/ngbe: fix interrupt lost in legacy or MSI mode Jiawen Wu
2024-10-28  2:31   ` [PATCH v2 13/13] net/ngbe: restrict configuration of VLAN strip offload Jiawen Wu

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