Re: [Intel-wired-lan] [net-next v3 1/2] igc: Link IRQs to NAPI instances

["Lifshits, Vitaly" <vitaly.lifshits@intel.com>]

On 10/21/2024 8:48 PM, Vinicius Costa Gomes wrote:
> Joe Damato <jdamato@fastly.com> writes:
> 
>> Link IRQs to NAPI instances via netdev-genl API so that users can query
>> this information with netlink.
>>
>> Compare the output of /proc/interrupts (noting that IRQ 144 is the
>> "other" IRQ which does not appear to have a NAPI instance):
>>
>> $ cat /proc/interrupts | grep enp86s0 | cut --delimiter=":" -f1
>>   128
>>   129
>>   130
>>   131
>>   132
>>
>> The output from netlink shows the mapping of NAPI IDs to IRQs (again
>> noting that 144 is absent as it is the "other" IRQ):
>>
>> $ ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/netdev.yaml \
>>                           --dump napi-get --json='{"ifindex": 2}'
>>
>> [{'defer-hard-irqs': 0,
>>    'gro-flush-timeout': 0,
>>    'id': 8196,
>>    'ifindex': 2,
>>    'irq': 132},
>>   {'defer-hard-irqs': 0,
>>    'gro-flush-timeout': 0,
>>    'id': 8195,
>>    'ifindex': 2,
>>    'irq': 131},
>>   {'defer-hard-irqs': 0,
>>    'gro-flush-timeout': 0,
>>    'id': 8194,
>>    'ifindex': 2,
>>    'irq': 130},
>>   {'defer-hard-irqs': 0,
>>    'gro-flush-timeout': 0,
>>    'id': 8193,
>>    'ifindex': 2,
>>    'irq': 129}]
>>
>> Signed-off-by: Joe Damato <jdamato@fastly.com>
>> ---
> 
> Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>

Reviewed-by: Vitaly Lifshits <vitaly.lifshits@intel.com>

> 
> 
> Cheers,