On Thu, Jan 09, 2025 at 04:31:02PM -0700, Ahmed Zaki wrote:
> Add a new netdev flag "rx_cpu_rmap_auto". Drivers supporting ARFS should
> set the flag via netif_enable_cpu_rmap() and core will allocate and manage
> the ARFS rmap. Freeing the rmap is also done by core when the netdev is
> freed.
>
> Signed-off-by: Ahmed Zaki <[email protected]>
...
> diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
> index 1812564b5204..acf20191e114 100644
> --- a/include/linux/netdevice.h
> +++ b/include/linux/netdevice.h
> @@ -2398,6 +2398,9 @@ struct net_device {
> struct lock_class_key *qdisc_tx_busylock;
> bool proto_down;
> bool threaded;
> +#ifdef CONFIG_RFS_ACCEL
> + bool rx_cpu_rmap_auto;
> +#endif
nit: rx_cpu_rmap_auto should also be added to the Kernel doc for
struct net_device.
>
> /* priv_flags_slow, ungrouped to save space */
> unsigned long see_all_hwtstamp_requests:1;
...
