[dpdk-dev] [PATCH] app/testpmd: fix Tx/Rx descriptor query error log

[Min Hu (Connor)]

Hi, xiaoyun,
	All has been done in v2, please review it, thanks.

在 2021/3/29 13:49, Li, Xiaoyun 写道:
> Hi
> 
>> -----Original Message-----
>> From: Min Hu (Connor) <humin29 at huawei.com>
>> Sent: Saturday, March 27, 2021 15:35
>> To: dev at dpdk.org
>> Cc: Yigit, Ferruh <ferruh.yigit at intel.com>; Li, Xiaoyun <xiaoyun.li at intel.com>
>> Subject: [PATCH] app/testpmd: fix Tx/Rx descriptor query error log
>>
>> From: Hongbo Zheng <zhenghongbo3 at huawei.com>
>>
>> Currently in testpmd, if we input "show port 0 rxq 0 desc 9999 status"
>> and if rte_eth_rx_descriptor_status return a negative value, testpmd will print
> returns
>> "Invalid queueid = 0", seems user input an invalid queueid, while the actual
> Users input/ user inputs
>> situation may be that 9999 is out of bounds, current information is misleading to
>> users.
>>
>> This patch modify the Tx/Rx descriptor query error information in testpmd by
> modifies
>> add offset information, now if we fail to query Tx/Rx descriptor, testpmd will
> adding
>> print "Invalid queueid = 0, offset = 9999", then we can check our input.
> 
> The commit log has grammar mistakes. And I think you can simply explain what the patch does like:
> This patch adds more err info for Tx/Rx descriptor query command.
> 
> And the print should be "Invalid input: queue id = 0, desc id = 9999" because you still don't tell users if it's queue id err or desc id err.
> 
> BRs
> Xiaoyun
>>
>> Fixes: fae9aa717d6c ("app/testpmd: support checking descriptor status")
>> Cc: stable at dpdk.org
>>
>> Signed-off-by: Hongbo Zheng <zhenghongbo3 at huawei.com>
>> Signed-off-by: Min Hu (Connor) <humin29 at huawei.com>
>> ---
>>   app/test-pmd/cmdline.c | 6 ++++--
>>   1 file changed, 4 insertions(+), 2 deletions(-)
>>
>> diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c index
>> 287d7a0..1a74a61 100644
>> --- a/app/test-pmd/cmdline.c
>> +++ b/app/test-pmd/cmdline.c
>> @@ -16633,7 +16633,8 @@ cmd_show_rx_tx_desc_status_parsed(void
>> *parsed_result,
>>   		rc = rte_eth_rx_descriptor_status(res->cmd_pid, res->cmd_qid,
>>   					     res->cmd_did);
>>   		if (rc < 0) {
>> -			printf("Invalid queueid = %d\n", res->cmd_qid);
>> +			printf("Invalid queueid = %d, offset = %d\n",
>> +			       res->cmd_qid, res->cmd_did);
>>   			return;
>>   		}
>>   		if (rc == RTE_ETH_RX_DESC_AVAIL)
>> @@ -16646,7 +16647,8 @@ cmd_show_rx_tx_desc_status_parsed(void
>> *parsed_result,
>>   		rc = rte_eth_tx_descriptor_status(res->cmd_pid, res->cmd_qid,
>>   					     res->cmd_did);
>>   		if (rc < 0) {
>> -			printf("Invalid queueid = %d\n", res->cmd_qid);
>> +			printf("Invalid queueid = %d, offset = %d\n",
>> +			       res->cmd_qid, res->cmd_did);
>>   			return;
>>   		}
>>   		if (rc == RTE_ETH_TX_DESC_FULL)
>> --
>> 2.7.4
> 
> .
>