Re: [Intel-wired-lan] [net-next v3 1/2] e1000e: Link NAPI instances to queues and IRQs

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

On 10/1/2024 1:50 PM, Simon Horman wrote:
> On Mon, Sep 30, 2024 at 05:12:31PM +0000, Joe Damato wrote:
>> Add support for netdev-genl, allowing users to query IRQ, NAPI, and queue
>> information.
>>
>> After this patch is applied, note the IRQs assigned to my NIC:
>>
>> $ cat /proc/interrupts | grep ens | cut -f1 --delimiter=':'
>>   50
>>   51
>>   52
>>
>> While e1000e allocates 3 IRQs (RX, TX, and other), it looks like e1000e
>> only has a single NAPI, so I've associated the NAPI with the RX IRQ (50
>> on my system, seen above).
>>
>> Note the output from the cli:
>>
>> $ ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/netdev.yaml \
>>                         --dump napi-get --json='{"ifindex": 2}'
>> [{'id': 145, 'ifindex': 2, 'irq': 50}]
>>
>> This device supports only 1 rx and 1 tx queue. so querying that:
>>
>> $ ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/netdev.yaml \
>>                         --dump queue-get --json='{"ifindex": 2}'
>> [{'id': 0, 'ifindex': 2, 'napi-id': 145, 'type': 'rx'},
>>   {'id': 0, 'ifindex': 2, 'napi-id': 145, 'type': 'tx'}]
>>
>> Signed-off-by: Joe Damato <jdamato@fastly.com>
> 
> Reviewed-by: Simon Horman <horms@kernel.org>
> 

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