From: Ferruh Yigit <ferruh.yigit@amd.com>
To: David Marchand <david.marchand@redhat.com>
Cc: dev@dpdk.org, stable@dpdk.org,
Aman Singh <aman.deep.singh@intel.com>,
Yuying Zhang <yuying.zhang@intel.com>,
Ivan Ilchenko <ivan.ilchenko@oktetlabs.ru>,
Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>,
Bernard Iremonger <bernard.iremonger@intel.com>
Subject: Re: [PATCH 2/4] app/testpmd: fix burst option parsing
Date: Wed, 13 Mar 2024 10:37:03 +0000 [thread overview]
Message-ID: <70c06f94-bba1-48f3-8c59-9e523ff0498d@amd.com> (raw)
In-Reply-To: <CAJFAV8xDxRUjhR2295OLbd=t9WYYDfrYWh=7qgQAD=GfGp=EVA@mail.gmail.com>
On 3/13/2024 7:24 AM, David Marchand wrote:
> On Tue, Mar 12, 2024 at 5:47 PM Ferruh Yigit <ferruh.yigit@amd.com> wrote:
>>
>> On 3/8/2024 2:48 PM, David Marchand wrote:
>>> rte_eth_dev_info_get() is not supposed to fail for a valid port_id, but
>>> for the theoretical case when it would fail, raise an error rather than
>>> skip subsequent options.
>>>
>>> Fixes: 6f51deb903b2 ("app/testpmd: check status of getting ethdev info")
>>> Cc: stable@dpdk.org
>>>
>>> Signed-off-by: David Marchand <david.marchand@redhat.com>
>>> ---
>>> app/test-pmd/parameters.c | 6 +++---
>>> 1 file changed, 3 insertions(+), 3 deletions(-)
>>>
>>> diff --git a/app/test-pmd/parameters.c b/app/test-pmd/parameters.c
>>> index d715750bb8..8c21744009 100644
>>> --- a/app/test-pmd/parameters.c
>>> +++ b/app/test-pmd/parameters.c
>>> @@ -1128,9 +1128,9 @@ launch_args_parse(int argc, char** argv)
>>> 0,
>>> &dev_info);
>>> if (ret != 0)
>>> - return;
>>> -
>>> - rec_nb_pkts = dev_info
>>> + rec_nb_pkts = 0;
>>> + else
>>> + rec_nb_pkts = dev_info
>>> .default_rxportconf.burst_size;
>>>
>>> if (rec_nb_pkts == 0)
>>
>> 'eth_dev_info_get_print_err()' already fail, but it may not be very
>> clear to the user,
>> OK to print a failure log, but setting 'rec_nb_pkts = 0;' as above also
>> will generate an error message that also may be confusing to the user.
>>
>> What about print an explicit error message for the
>> 'eth_dev_info_get_print_err()' failed case?
>
> rte_exit(EXIT_FAILURE, "Failed to retrieve device info, this is
> probably a driver bug. "
> "To workaround this issue, please provide a value between 1
> and %d\n", MAX_PKT_BURST);
>
> Does it work for you?
>
>
'eth_dev_info_get_print_err()' already logs error about getting device
info, but driver recommended 'burst' setting failed information is missing.
What about more direct,
"Failed to get driver recommended burst size, please provide a value
between 1 and MAX_PKT_BURST"
next prev parent reply other threads:[~2024-03-13 10:37 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20240308144841.3615262-1-david.marchand@redhat.com>
2024-03-08 14:48 ` [PATCH 1/4] app/testpmd: fix stats-period option check David Marchand
2024-03-12 16:43 ` Ferruh Yigit
2024-03-08 14:48 ` [PATCH 2/4] app/testpmd: fix burst option parsing David Marchand
2024-03-12 16:47 ` Ferruh Yigit
2024-03-13 7:24 ` David Marchand
2024-03-13 10:37 ` Ferruh Yigit [this message]
2024-03-13 11:13 ` David Marchand
2024-03-13 12:09 ` Ferruh Yigit
2024-03-13 16:32 ` Stephen Hemminger
[not found] ` <20240314091708.1542769-1-david.marchand@redhat.com>
2024-03-14 9:17 ` [PATCH v2 1/6] app/testpmd: fix stats-period option check David Marchand
2024-03-14 9:17 ` [PATCH v2 2/6] app/testpmd: fix burst option parsing David Marchand
2024-03-14 9:22 ` Ferruh Yigit
2024-03-14 9:17 ` [PATCH v2 3/6] app/testpmd: fix error message for invalid option David Marchand
2024-03-14 9:23 ` Ferruh Yigit
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