Re: [net-next v6 5/9] net: napi: Add napi_config

[Eric Dumazet]

On Fri, Oct 11, 2024 at 8:46 PM Joe Damato <jdamato@xxxxxxxxxx> wrote:
>
> Add a persistent NAPI config area for NAPI configuration to the core.
> Drivers opt-in to setting the persistent config for a NAPI by passing an
> index when calling netif_napi_add_config.
>
> napi_config is allocated in alloc_netdev_mqs, freed in free_netdev
> (after the NAPIs are deleted).
>
> Drivers which call netif_napi_add_config will have persistent per-NAPI
> settings: NAPI IDs, gro_flush_timeout, and defer_hard_irq settings.
>
> Per-NAPI settings are saved in napi_disable and restored in napi_enable.
>
> Co-developed-by: Martin Karsten <mkarsten@xxxxxxxxxxxx>
> Signed-off-by: Martin Karsten <mkarsten@xxxxxxxxxxxx>
> Signed-off-by: Joe Damato <jdamato@xxxxxxxxxx>
> Reviewed-by: Jakub Kicinski <kuba@xxxxxxxxxx>

Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx>