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

From: Vinicius Costa Gomes <[email-masked]>
Date: Mon, 21 Oct 2024 10:48:18 -0700

Joe Damato <[email-masked]> 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 <[email-masked]>
> ---

Acked-by: Vinicius Costa Gomes <[email-masked]>

Cheers,
-- 
Vinicius