Re: [PATCH net-next v8 4/4] eventpoll: Add epoll ioctl for epoll_params

[Eric Dumazet]

On Tue, Feb 13, 2024 at 7:17 AM Joe Damato <jdamato@xxxxxxxxxx> wrote:
>
> Add an ioctl for getting and setting epoll_params. User programs can use
> this ioctl to get and set the busy poll usec time, packet budget, and
> prefer busy poll params for a specific epoll context.
>
> Parameters are limited:
>   - busy_poll_usecs is limited to <= s32_max
>   - busy_poll_budget is limited to <= NAPI_POLL_WEIGHT by unprivileged
>     users (!capable(CAP_NET_ADMIN))
>   - prefer_busy_poll must be 0 or 1
>   - __pad must be 0
>
> Signed-off-by: Joe Damato <jdamato@xxxxxxxxxx>
> Acked-by: Stanislav Fomichev <sdf@xxxxxxxxxx>
> Reviewed-by: Jiri Slaby <jirislaby@xxxxxxxxxx>

Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx>

Thanks !