Re: [V2] drivers/net: reorder Intel drivers list in meson script

[Thierry Herbelot <thierry.herbelot@6wind.com>]

On 1/23/26 17:50, Bruce Richardson wrote:
> On Fri, Jan 23, 2026 at 05:27:07PM +0100, Thierry Herbelot wrote:
>> After an upstream patch (see Fixes), net_ixgbe_vf is no longer
>> declared in testpmd PMD info, when compiling under Redhat-9:
>>
>>> $ meson setup build && ninja -C build
>>> $ ./usertools/dpdk-pmdinfo.py build/app/dpdk-testpmd|grep ixgbe
>>>      "name": "net_ixgbe",
>>
>> Name 'net_ixgbe_vf' should also be reported.
>>
>> One workaround is to move 'intel/ixgbe' as last in the list of Intel
>> drivers. This restores net_ixgbe_vf under Redhat-9:
>>
>>> $ meson setup build && ninja -C build
>>> $ ./usertools/dpdk-pmdinfo.py build/app/dpdk-testpmd|grep ixgbe
>>>      "name": "net_ixgbe_vf",
>>>      "name": "net_ixgbe",
>>
>> Fixes: 04f1b16c54f3 ("drivers: merge common and net idpf drivers")
>> Signed-off-by: Thierry Herbelot <thierry.herbelot@6wind.com>
>> ---
>> V2: use shorter lines in commit log.
>> ---
>>   drivers/net/meson.build | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/net/meson.build b/drivers/net/meson.build
>> index c7dae4ad273c..8d96244cdbb0 100644
>> --- a/drivers/net/meson.build
>> +++ b/drivers/net/meson.build
>> @@ -32,8 +32,8 @@ drivers = [
>>           'intel/ice',
>>           'intel/idpf',
>>           'intel/ipn3ke',
>> -        'intel/ixgbe',
>>           'intel/cpfl',  # depends on idpf, so must come after it
>> +        'intel/ixgbe',
>>           'ionic',
>>           'mana',
>>           'memif',
> 
> This is a strange one - did you do any investgation into why or how this
> fixes things? You describe it as a workaround so any hints towards a proper
> root cause and fix are welcome :-)

Hello Bruce,

This is indeed a bit puzzling: it seems that the expected ELF section is 
present, a 'strings' dump shows no difference between a 'full' testpmd 
and one missing ixgbe_vf. Still pmdinfo is missing one PMD.

The issue was not seen when using Ubuntu-24.04.

	Best regards

	Thierry

-- 
Thierry Herbelot
http://www.6wind.com/

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